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No. Publication Number Title Publication/Patent Number Publication/Patent Number Publication Date Publication Date
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Inventor Inventor Assignee Assignee IPC IPC
1
US10882113B2
Apparatus for additive manufacturing of three-dimensional objects
Publication/Patent Number: US10882113B2 Publication Date: 2021-01-05 Application Number: 16/145,384 Filing Date: 2018-09-28 Inventor: Stammberger, Jens   Hofmann, Alexander   Winiarski, Daniel   Assignee: Concept Laser GmbH   IPC: B22F3/10 Abstract: An apparatus (1) for additive manufacturing of three-dimensional objects (3) by successive, selective layer-by-layer exposure and thus successive, selective layer-by-layer solidification of construction material layers of construction material (4) that can be solidified by means of an energy beam. The apparatus can include a process chamber (14) comprising a working plane (A) with a first working plane area (A1) and another working plane area (A2), a coating device (6) provided for forming construction material layers to be exposed selectively and to be solidified selectively in the construction plane (E) and comprising a coating element assembly group (8) which is movably supported, at least one coating element, a shielding device (18) provided for shielding the second working plane area (A2), wherein the shielding device (18) can include at least one shielding band (20) guided movably along supporting points (19).
2
EP3335877B1
SYSTEM FOR ADDITIVE PRODUCTION OF THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3335877B1 Publication Date: 2021-02-24 Application Number: 17179845.7 Filing Date: 2017-07-05 Inventor: Hofmann, Alexander   Stammberger, Jens   BrÜckner, Patrick   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B33Y30/00
3
EP3536484B1
BUILD MATERIAL APPLICATION DEVICE
Publication/Patent Number: EP3536484B1 Publication Date: 2021-01-20 Application Number: 18161050.2 Filing Date: 2018-03-09 Inventor: Dering, Viktor   Hofmann, Alexander   Winiarski, Daniel   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B29C64/214
4
US2021039165A1
APPARATUS FOR ADDITIVE MANUFACTURING OF THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: US2021039165A1 Publication Date: 2021-02-11 Application Number: 17/069,119 Filing Date: 2020-10-13 Inventor: Stammberger, Jens   Hofmann, Alexander   Winiarski, Daniel   Assignee: Concept Laser GmbH   IPC: B22F3/105 Abstract: An additive manufacturing apparatus may include a process chamber, a coating device, a shielding device, and a guiding device. The process chamber may include first and second working plane areas. The first working plane area may include a construction plane, and the second working plane area may house at least a part of the guiding device. The coating device may include a coating element assembly group that is, movably supported relative to the construction plane by the guiding device, and at least one coating element configured to form construction material layers in the construction plane. The shielding device may shield the second working plane area from intrusion of construction material or impurities from the first working plane area. The shielding device may include a shielding band, and the shielding band may be coupled for movement with the coating element assembly group. The shielding band may be guided movably along a plurality of supporting points that define an interior region of the second working plane area, and the guiding device may be arranged or formed above the first working plane area.
5
US2021053288A1
PLANT FOR ADDITIVELY MANUFACTURING OF THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: US2021053288A1 Publication Date: 2021-02-25 Application Number: 17/091,857 Filing Date: 2020-11-06 Inventor: Bechmann, Florian   Hetzel, Ralf   Stammberger, Jens   Zeulner, Fabian   Hofmann, Alexander   Assignee: Concept Laser GmbH   IPC: B29C64/255 Abstract: A system (1) for additive manufacturing of three-dimensional objects, comprising one or more working stations (21), which are provided for performing at least one working process in the additive manufacturing of three-dimensional objects, at least one freely positionable mobile storage unit (2) comprising a rack-like storage device (4) comprising at least one storage room (5) provided for storing at least one powder module (6), especially for the purpose of conveying the powder module (6) between different working stations (21) of the system (1), and at least one driverless, freely movable mobile conveying unit (3) comprising a receiving device (12) provided for receiving at least one mobile storage unit (2) for the purpose of conveying the storage unit (2) between different working stations (21) of the system (1).
6
EP3745107A1
DEVICE AND METHOD FOR MEASURING MECHANICAL STRESS BASED ON MAGNETOSTRICTION
Publication/Patent Number: EP3745107A1 Publication Date: 2020-12-02 Application Number: 19176709.4 Filing Date: 2019-05-27 Inventor: Hofmann, Alexander   Assignee: Hochschule für angewandte Wissenschaften Würzburg- Schweinfurt   IPC: G01L1/12 Abstract: Disclosed herein is a device for measuring mechanical stress. The device comprises a magnetostrictive body enclosing a remanent magnetization. The magnetostrictive body comprises first and second end surfaces that are arranged opposite to each other. At least one of the first and second end surfaces is configured to receive a mechanical stress. The magnetostrictive body further comprises a first recess formed at the first end surface towards the second end surface and a second recess formed at the second end surface towards the first end surface. In a projection perpendicular to the first end surface, the first recess overlaps the second recess and extends beyond the second recess. Further disclosed are a method of manufacturing such a device and a method of measuring mechanical stress using such a device.
7
US2020378844A1
Device and Method for Measuring Mechanical Stress Based on Magnetostriction
Publication/Patent Number: US2020378844A1 Publication Date: 2020-12-03 Application Number: 16/880,613 Filing Date: 2020-05-21 Inventor: Hofmann, Alexander   Assignee: Hochschule für angewandte Wissenschaften Würzburg-Schweinfurt   IPC: G01L1/12 Abstract: Disclosed herein is a device for measuring mechanical stress. The device comprises a magnetostrictive body enclosing a remanent magnetization. The magnetostrictive body comprises first and second end surfaces that are arranged opposite to each other. At least one of the first and second end surfaces is configured to receive a mechanical stress. The magnetostrictive body further comprises a first recess formed at the first end surface towards the second end surface and a second recess formed at the second end surface towards the first end surface. In a projection perpendicular to the first end surface, the first recess overlaps the second recess and extends beyond the second recess. Further disclosed are a method of manufacturing such a device and a method of measuring mechanical stress using such a device.
8
US10821545B2
Apparatus for manufacturing three-dimensional objects
Publication/Patent Number: US10821545B2 Publication Date: 2020-11-03 Application Number: 15/981,891 Filing Date: 2018-05-16 Inventor: Hofmann, Alexander   Stammberger, Jens   Assignee: CONCEPT LASER GMBH   IPC: B23K26/03 Abstract: Apparatus (1) for additively manufacturing of three-dimensional objects (2) by means of successive layerwise selective irradiation and consolidation of layers of a build material (3) which can be consolidated by means of an energy beam, wherein a direct measuring unit (4) is provided for determining a position and/or a travel distance of at least one moveable component (5) of the apparatus (1).
9
US2020189168A1
INJECTION-MOLDING DEVICE, PROJECTILE INJECTION PROCESS AND RELATED DEVICES
Publication/Patent Number: US2020189168A1 Publication Date: 2020-06-18 Application Number: 16/712,420 Filing Date: 2019-12-12 Inventor: Gleu, Jens-uwe   Hofmann, Alexander   Assignee: Continental Teves AG & Co. OHG   IPC: B29C49/06 Abstract: An injection-molding device for producing a hollow-formed plastic object, at least comprising a mold for the primary shaping of the plastic object, an injection device for at least partially introducing a flowable polymer melt into a cavity within the mold and a fluid injection device for introducing a pressurized fluid and for driving a projectile through the polymer melt introduced into the cavity, the mold comprising a mold wall and a mold core that is arranged at least partially within the mold wall, the projectile being formed at least partially in such a hollow-formed manner that it is arranged on the mold core and is movable along a longitudinal extent of the mold core on the latter. A projectile injection process for producing a hollow-formed plastic object with this injection-molding device and a hollow-formed plastic object produced by this process.
10
EP3431257B1
APPARATUS FOR MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3431257B1 Publication Date: 2020-05-27 Application Number: 17182637.3 Filing Date: 2017-07-21 Inventor: Hofmann, Alexander   Stammberger, Jens   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B29C64/153
11
EP3650203A1
PLANT FOR ADDITIVELY MANUFACTURING AT LEAST ONE THREE-DIMENSIONAL OBJECT
Publication/Patent Number: EP3650203A1 Publication Date: 2020-05-13 Application Number: 18205553.3 Filing Date: 2018-11-10 Inventor: Hofmann, Alexander   RÖblitz, Carsten   Assignee: Concept Laser GmbH   IPC: B29C64/25 Abstract: Plant (1) for additively manufacturing at least one three-dimensional object, comprising at least one process station (2) for an additive manufacturing process, wherein at least one functional component (4, 5), preferably a lifting device for a powder module (7), of the process station (2) is at least partially enclosed by a housing structure (3) of the process station (2), wherein the process station (2) is coupled or can be coupled with at least one powder module (7), wherein the housing structure (3) comprises at least one opening (6) for loading and/or unloading the at least one powder module (7) into or from the process station (2), wherein a platform (8) is provided that is arrangeable or arranged adjacent to the at least one opening (6), wherein the platform (8) comprises at least one positioning unit (10) with at least one positioning surface for positioning a module carrier (12) which is adapted to carry the at least one powder module (7)
12
EP3279441B1
METHOD FOR ADAPTING A CONTROL DEVICE TO A SOOT SENSOR WHICH CAN BE CONNECTED TO THE CONTROL DEVICE
Publication/Patent Number: EP3279441B1 Publication Date: 2020-10-28 Application Number: 17001248.8 Filing Date: 2017-07-21 Inventor: Hofmann, Alexander   Reichert, Sebastian   Assignee: MAN Truck & Bus SE   IPC: F01N9/00
13
US10821386B2
Apparatus for additive manufacturing of three-dimensional objects
Publication/Patent Number: US10821386B2 Publication Date: 2020-11-03 Application Number: 15/812,466 Filing Date: 2017-11-14 Inventor: Hofmann, Alexander   Stammberger, Jens   Hetzel, Ralf   Assignee: CONCEPT LASER GMBH   IPC: B01D46/00 Abstract: An apparatus for additive manufacturing of three-dimensional objects by successive, selective layer-by-layer exposure and thus successive, selective layer-by-layer solidification of construction material layers of construction material that can be solidified by means of an energy beam, comprising a filter device provided for filtering process gas arising in the course of performing additive construction processes in a process chamber of the apparatus, wherein the filter device comprises several filter modules with a filter module housing each, wherein every filter module housing comprises a filter body receiving room configured with a defined geometry provided for receiving a defined number of filter bodies configured with a defined geometry, wherein every filter module comprises connection interfaces on the filter module via which it is or can be connected, if required, to defined connection areas of a pipe structure of the apparatus that is or can be flown through by the process gas.
14
EP3685990A1
APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3685990A1 Publication Date: 2020-07-29 Application Number: 19153369.4 Filing Date: 2019-01-23 Inventor: Hiemann, Denise   Hofmann, Alexander   Hetzel, Ralf   Assignee: Concept Laser GmbH   IPC: B29C64/153 Abstract: Apparatus (1) for additively manufacturing three-dimensional objects (2) by means of successive layerwise consolidation of layers of a build material (3) which can be consolidated by means of an energy source, comprising a dose module (5) and a build module (6) and an application unit (8), wherein the application unit (8) is adapted to convey build material (3) from a dose plane (10) provided by the dose module (5) to a build plane (11) of the build module (6), wherein at least one buffer module (15) is provided, wherein the application unit (8) is adapted to convey build material (3) from a buffer plane (17) to the build plane (11), which buffer plane (17) is provided by the buffer module (15) in an operational state of the apparatus (1) in which the dose module (5) is not available, in particular during an exchange of the dose module (5), wherein the buffer plane (17) is smaller than the dose plane (10).
15
EP3431258B1
APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3431258B1 Publication Date: 2020-03-11 Application Number: 17182649.8 Filing Date: 2017-07-21 Inventor: Hofmann, Alexander   Diller, Christian   Albanus, Ullrich   Daneschwar, Payam   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B29C64/153
16
EP3756889A1
SYSTEM FOR ADDITIVE PRODUCTION OF THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3756889A1 Publication Date: 2020-12-30 Application Number: 20191298.7 Filing Date: 2017-07-05 Inventor: Hofmann, Alexander   Stammberger, Jens   BrÜckner, Patrick   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B33Y30/00 Abstract: Anlage (1) zur additiven Herstellung dreidimensionaler Objekte, umfassend wenigstens eine Arbeitsstation (2), welche zur Durchführung wenigstens eines Arbeitsvorgangs im Rahmen der additiven Herstellung dreidimensionaler Objekte eingerichtet ist, umfassend: wenigstens einen, insbesondere benutzerseitig, bewegbaren, insbesondere verschiebbaren, Transportwagen (5), welcher eine Rahmenkonstruktion (6) umfasst, welche eine Aufnahmeeinrichtung (8) umfasst, welche einen zur Aufnahme eines Pulvermoduls (4) innerhalb der Rahmenkonstruktion (6) eingerichteten Aufnahmeraum (8a) umfasst, wobei die Rahmenkonstruktion (6) wenigstens zwei Rahmenkonstruktionsabschnitte (6a, 6b) umfasst, wobei ein erster Rahmenkonstruktionsabschnitt (6a) bewegbar relativ zu einem zweiten Rahmenkonstruktionsabschnitt (6b), insbesondere in einer vertikal ausgerichteten Bewegungsrichtung, gelagert ist, wobei der Transportwagen (5) wenigstens eine, insbesondere motorische, Hubeinrichtung (7) umfasst, welche zur Erzeugung einer den ersten Rahmenkonstruktionsabschnitt (6a) in eine Bewegung relativ zu dem zweiten Rahmenkonstruktionsabschnitt (6b) versetzenden Hubkraft eingerichtet ist.
17
EP3434397B1
DEVICE FOR ADDITIVE PRODUCTION OF THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3434397B1 Publication Date: 2020-11-18 Application Number: 18195175.7 Filing Date: 2017-06-29 Inventor: Winiarski, Daniel   Hofmann, Alexander   Stammberger, Jens   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B22F3/105
18
US2020182667A1
METHOD FOR EVALUATING MEASUREMENT DATA SEQUENCES OF AN ULTRASONIC FLOW MEASURING DEVICE AND ULTRASONIC FLOW MEASURING DEVICE
Publication/Patent Number: US2020182667A1 Publication Date: 2020-06-11 Application Number: 16/660,086 Filing Date: 2019-10-22 Inventor: Mayle, Michael   Madinger, Andreas   Gaugler, Ulrich   Hofmann, Alexander   Assignee: DIEHL METERING GMBH   IPC: G01F1/66 Abstract: A method for evaluating discrete measurement data sequences of an ultrasonic flow measuring device having a recording frequency and ultrasound signal, includes determining time position or height of a maximum of a sinusoidal profile of a time sequence of evaluation values, determined as part of a measurement data sequence or cross-correlation of two sequences recorded at different positions of the device by determining a maximum evaluation value of the time sequence and evaluation values thereof adjacent thereto. Initial values, including an initial maximum value and time, are determined by quadratic fit of evaluation values. Output values including output time describing the position or output height describing the height of the maximum are determined by a determination relationship setting output values in relation with initial values and a calculation quantity formed from selected evaluation values for known recording frequency and known signal frequency and based on a known sinusoidal profile.
19
US10821666B2
System for additive production of three-dimensional objects
Publication/Patent Number: US10821666B2 Publication Date: 2020-11-03 Application Number: 15/847,288 Filing Date: 2017-12-19 Inventor: Hofmann, Alexander   Stammberger, Jens   Brückner, Patrick   Assignee: Concept Laser GmbH   IPC: B29C64/245 Abstract: A system for additive production of three-dimensional objects, comprising at least one work station, which is designed to carry out at least one work process as part of the additive production of three-dimensional objects, comprising: at least one, particularly user-side, movable, particularly sliding, transport carriage, which comprises a frame structure, which comprises a receiving device, which comprises a receptacle chamber designed to receive a powder module within the frame structure, wherein the frame structure comprises at least two frame structure sections, wherein a first frame structure section is borne so as to be movable relative to a second frame structure section, particularly in a vertically aligned movement direction, wherein the transport carriage comprises at least one, particularly motorized lifting device, which is designed to generate a lifting force that moves the first frame structure section relative to the second frame structure section.
20
US2020230883A1
APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: US2020230883A1 Publication Date: 2020-07-23 Application Number: 16/294,914 Filing Date: 2019-03-06 Inventor: Hofmann, Alexander   Hiemann, Denise   Hetzel, Ralf   Assignee: CONCEPT LASER GMBH   IPC: B29C64/343 Abstract: Apparatus (1) for additively manufacturing three-dimensional objects (2) by means of successive layerwise consolidation of layers of a build material (3) which can be consolidated by means of an energy source, comprising a dose module (5) and a build module (6) and an application unit (8), wherein the application unit (8) is adapted to convey build material (3) from a dose plane (10) provided by the dose module (5) to a build plane (11) of the build module (6), wherein at least one buffer module (15) is provided, wherein the application unit (8) is adapted to convey build material (3) from a buffer plane (17) to the build plane (11), which buffer plane (17) is provided by the buffer module (15) in an operational state of the apparatus (1) in which the dose module (5) is not available, in particular during an exchange of the dose module (5), wherein the buffer plane (17) is smaller than the dose plane (10).
Total 13 pages