Patents by Inventor Tobias Kaiser
Tobias Kaiser has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240109979Abstract: The present invention is concerned with materials and methods for mediating eukaryotic cell attachment to rigid surfaces. In particular, the invention is concerned with coatings for forming cell attachment surfaces, preferably for cell culture devices, microfluidic devices, biosensors or implants. The invention correspondingly provides polymer conjugates for such coatings, methods of polymer conjugate formation, methods of polymer conjugate application and uses of such polymer conjugates. The invention also provides surfaces and devices at least partly coated with such polymer conjugates.Type: ApplicationFiled: March 4, 2022Publication date: April 4, 2024Applicant: faCellitate GmbHInventors: Nadine Kaiser, Veronique Schwartz, Tobias Mentzel, Uwe Freudenberg, Andrea Meinhard
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Publication number: 20230387878Abstract: A filter arrangement (1) comprises a filter housing (2) with a housing base (3) and housing walls (4). A cover arrangement (6) closes the filter housing (2). Resonator inner conductors (8) extend from the housing base (3) to the cover arrangement (6) and end at a distance therefrom. Each of the first resonator inner conductors (8) comprises a first and a second end (8a, 8b). The first end (8a) is galvanically connected to the housing base (3). At least one insulator assembly (15) is arranged between the second end (8b) of the respective first resonator inner conductor (8) and the cover arrangement (3). The respective first resonator inner conductor (8) is variable in length and resilient along its longitudinal axis so that the second end (8b) can be moved towards and away from the first end (8a), thereby keeping the insulator assembly (15) pressed against the cover arrangement (6).Type: ApplicationFiled: September 21, 2020Publication date: November 30, 2023Inventors: Benjamin Kaiser, Tobias Kaiser, Stefan Bauer, Daniel Bock, Michael Schwitzer
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Publication number: 20230302581Abstract: A laser cutting method for cutting out a workpiece part from a metallic and plate-shaped workpiece includes cutting, using a laser beam and a cutting gas with predefined cutting parameters, the workpiece along a predefined cutting path, changing the cutting parameters in an end portion of the cutting path so that a material web remains between the workpiece part and a remaining workpiece of the workpiece. The material web fixes the workpiece part in the remaining workpiece. The method further includes cooling the workpiece in a region of the material web using the cutting gas and/or a cooling fluid, and cutting the workpiece part out of the remaining workpiece by separating the material web using the laser beam and the cutting gas.Type: ApplicationFiled: May 31, 2023Publication date: September 28, 2023Inventor: Tobias Kaiser
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Publication number: 20230284690Abstract: An electronic cigarette comprises along a central Z-axis from bottom to top a cartridge unit and a control unit detachably arranged thereon, wherein the electronic cigarette includes a control unit for control and a battery unit for electronic power supply the battery unit having a battery cell having a negative pole and a positive pole spaced apart therefrom by an insulator. A negative contact and a positive contact are arranged on the control unit such that they are connected to the corresponding negative pole and positive pole, respectively, of the battery cell. The control unit has a geometric spatial structure perpendicular to the central Z-axis with a diameter, with which diameter the control unit forms a snug fit in the electronic cigarette.Type: ApplicationFiled: June 18, 2020Publication date: September 14, 2023Inventors: Benjamin Kaiser, Tobias Kaiser, Stefan Bauer, Daniel Brock, Michael Schwitzer
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Publication number: 20230083413Abstract: A method for laser cutting a workpiece includes the steps of guiding a laser beam over the workpiece in a cutting direction so as to produce a cutting kerf with two cutting flanks and melting material on the workpiece at a cutting front that extends between the cutting flanks and adjoins at least one of the cutting flanks at an angle. The laser beam has a non-circular cross section and, at a front of the laser beam in the cutting direction, a continuous cutting beam contour corresponding to the cutting front.Type: ApplicationFiled: November 23, 2022Publication date: March 16, 2023Inventor: Tobias Kaiser
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Publication number: 20220395804Abstract: A product gas manifold system for a steam reformer is provided. The product gas manifold system includes a product gas manifold including an outer jacket tube and a gas-conveying inner tube extending concentrically and coaxially over its entire length, a space between the inner and jacket tubes being at least partially filled with a first insulating material, a plurality of nozzle tubes, each for connecting a reformer tube to the product gas manifold, a second insulating material disposed around the jacket tube, a curved outer surface outwardly limiting the second layer of the second insulating material and following the shape of the jacket tube in the axial direction.Type: ApplicationFiled: June 9, 2022Publication date: December 15, 2022Inventors: Tobias KAISER, Antonio COSCIA
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Patent number: 11525458Abstract: A conveying device with an electric drive, having a housing with a suction opening and a plurality of outlet openings that comprises a conveying element which is rotatably received in the housing to produce a fluid flow from the suction opening to the respective outlet opening, wherein the outlet openings are mounted to the housing at least axially spaced from each other.Type: GrantFiled: August 29, 2019Date of Patent: December 13, 2022Assignee: HANON SYSTEMS EFP DEUTSCHLAND GMBHInventors: Jan Hinrichs, Tobias Kaiser
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Patent number: 11517978Abstract: A method for cutting workpieces of different thicknesses includes providing at least one unprocessed laser beam, selectively forming a processing laser beam from the at least one unprocessed laser beam in accordance with a thickness of the workpiece, and cutting the workpiece with the processing laser beam. Forming the processing laser beam includes selectively coupling one or more unprocessed laser beams into one or more of a plurality of parallel, non-concentric fibers of a compound fiber, the plurality of fibers of the compound fiber having different cross-sectional shapes. A laser beam characteristic of the processing laser beam exiting the compound fiber differs depending upon which fibers of the compound fiber receive the at least one unprocessed laser beam, the laser beam characteristic of the processing laser beam differing depending on the thickness.Type: GrantFiled: May 10, 2019Date of Patent: December 6, 2022Assignee: TRUMPF Werkzeugmaschinen GmbH + Co. KGInventors: Tim Hesse, Tobias Kaiser
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Publication number: 20220168841Abstract: A method for flame cutting of a workpiece, in particular a planar workpiece, with a thickness of at least 10 mm is performed by a laser beam with power of more than 10 kW and with oxygen as a cutting gas. Accordingly, a focal position in the beam direction of the laser beam is located within the workpiece at a depth that is greater than half the thickness of the workpiece. The laser beam emerges from a nozzle opening of a cutting gas nozzle together with the cutting gas, wherein a distance of a workpiece-side nozzle end face from the workpiece surface is at least 2 mm, preferably at least 3 mm, particularly preferably at least 5 mm.Type: ApplicationFiled: February 18, 2022Publication date: June 2, 2022Inventors: TOBIAS KAISER, CHRISTOPH KRAUS
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Publication number: 20210270288Abstract: A conveying device with an electric drive, having a housing with a suction opening and a plurality of outlet openings that comprises a conveying element which is rotatably received in the housing to produce a fluid flow from the suction opening to the respective outlet opening, wherein the outlet openings are mounted to the housing at least axially spaced from each other.Type: ApplicationFiled: August 29, 2019Publication date: September 2, 2021Inventors: Jan HINRICHS, Tobias KAISER
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Patent number: 10744472Abstract: A system of product gas collecting conduits for a steam reformer, containing a plurality of reaction tubes within a reformer housing, for the production of synthesis gas, comprising: a) a product gas collecting conduit arranged outside the reformer housing of the steam reformer, b) several port tubes arranged along the length of the conduit for connecting one reaction tube each to the product gas collecting conduit, c) at least one windshield for the protection of the product gas collecting conduit against wind and draft.Type: GrantFiled: December 5, 2016Date of Patent: August 18, 2020Assignee: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Antonio Coscia, Tobias Kaiser
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Patent number: 10675708Abstract: This disclosure relates to methods for cutting metal workpieces in sheet form with a thickness of at least 2 mm. A laser beam is positioned in a nozzle opening of a cutting gas nozzle configured to cut via the laser beam and a cutting gas so that a beam axis of the laser beam along a direction of propagation of the laser beam is at least a distance of 3 mm from a rear opening wall portion of the nozzle opening. Cutting gas configured for concurrently exiting the nozzle opening with the laser beam is emitted through the nozzle opening at a cutting gas pressure (p) of at most 10 bar.Type: GrantFiled: August 11, 2017Date of Patent: June 9, 2020Assignee: TRUMPF Werkzeugmaschinen GmbH + Co. KGInventors: Martin Bea, Tobias Kaiser, Volker Rominger
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Publication number: 20190262939Abstract: A laser cutting machine for cutting a workpiece having a first thickness (using a first processing laser beam having a first laser beam characteristic and a workpiece having a different second thickness using at least a second processing laser beam having a different second laser beam characteristic includes a laser source for producing a unprocessed laser beam having a laser wavelength of less than 4 ?m, a device which forms from the unprocessed laser beam the processing laser beams, and a control unit which controls the device in dependence on the thickness of the workpiece to be cut.Type: ApplicationFiled: May 10, 2019Publication date: August 29, 2019Inventors: Tim Hesse, Tobias Kaiser
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Patent number: 10300555Abstract: A laser cutting machine for cutting a workpiece having a first thickness (using a first processing laser beam having a first laser beam characteristic and a workpiece having a different second thickness using at least a second processing laser beam having a different second laser beam characteristic includes a laser source for producing a unprocessed laser beam having a laser wavelength of less than 4 ?m, a device which forms from the unprocessed laser beam the processing laser beams, and a control unit which controls the device in dependence on the thickness of the workpiece to be cut.Type: GrantFiled: April 17, 2015Date of Patent: May 28, 2019Assignee: TRUMPF Werkzeugmaschinen GmbH + Co. KGInventors: Tim Hesse, Tobias Kaiser
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Publication number: 20180361337Abstract: A system of product gas collecting conduits for a steam reformer, containing a plurality of reaction tubes within a reformer housing, for the production of synthesis gas, comprising: a) a product gas collecting conduit arranged outside the reformer housing of the steam reformer, b) several port tubes arranged along the length of the conduit for connecting one reaction tube each to the product gas collecting conduit, c) at least one windshield for the protection of the product gas collecting conduit against wind and draft.Type: ApplicationFiled: December 5, 2016Publication date: December 20, 2018Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Antonio COSCIA, Tobias KAISER
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Publication number: 20180043469Abstract: This disclosure relates to methods for cutting metal workpieces in sheet form with a thickness of at least 2 mm. A laser beam is positioned in a nozzle opening of a cutting gas nozzle configured to cut via the laser beam and a cutting gas so that a beam axis of the laser beam along a direction of propagation of the laser beam is at least a distance of 3 mm from a rear opening wall portion of the nozzle opening. Cutting gas configured for concurrently exiting the nozzle opening with the laser beam is emitted through the nozzle opening at a cutting gas pressure (p) of at most 10 bar.Type: ApplicationFiled: August 11, 2017Publication date: February 15, 2018Inventors: Martin Bea, Tobias Kaiser, Volker Rominger
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Patent number: 9849545Abstract: Methods, devices and systems for laser-supported plasma cutting or plasma welding of a workpiece. In one aspect, a method includes producing a plasma beam which extends in an expansion direction between an electrode and a processing location on the workpiece, the plasma beam having, with respect to a center axis of the plasma beam that extends in the expansion direction, an inner central region and an outer edge region, and supplying laser radiation to the outer edge region of the plasma beam. The laser radiation supplied to the outer edge region extends parallel with the center axis of the plasma beam.Type: GrantFiled: October 29, 2014Date of Patent: December 26, 2017Assignee: TRUMPF Werkzeugmaschinen GmbH + Co. KGInventors: Andreas Popp, Tim Hesse, Tobias Kaiser
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Publication number: 20150217402Abstract: A laser cutting machine for cutting a workpiece having a first thickness (using a first processing laser beam having a first laser beam characteristic and a workpiece having a different second thickness using at least a second processing laser beam having a different second laser beam characteristic includes a laser source for producing a unprocessed laser beam having a laser wavelength of less than 4 ?m, a device which forms from the unprocessed laser beam the processing laser beams, and a control unit which controls the device in dependence on the thickness of the workpiece to be cut.Type: ApplicationFiled: April 17, 2015Publication date: August 6, 2015Inventors: Tim Hesse, Tobias Kaiser
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Patent number: 9061376Abstract: Cutting a workpiece with a laser beam includes using the laser beam to melt and/or vaporize at least a portion of the workpiece, and moving at least one of the workpiece and the laser beam relative to one another to form a cutting front on the workpiece, in which the laser beam includes either at least two different radially polarized beam portions offset relative to each along an advancing direction of the laser beam, or multiple laser beam strips extending along the advancing direction of the laser beam. Each laser beam strip has a different linear polarization direction, and the advancing direction corresponds to a direction along which the workpiece is cut by the laser beam.Type: GrantFiled: December 7, 2012Date of Patent: June 23, 2015Assignee: TRUMPF Werkzeugmaschinen GmbH + Co. KGInventors: Tim Hesse, Tobias Kaiser, Nicolai Speker, Tobias Haecker
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Publication number: 20150053656Abstract: Methods, devices and systems for laser-supported plasma cutting or plasma welding of a workpiece. In one aspect, a method includes producing a plasma beam which extends in an expansion direction between an electrode and a processing location on the workpiece, the plasma beam having, with respect to a center axis of the plasma beam that extends in the expansion direction, an inner central region and an outer edge region, and supplying laser radiation to the outer edge region of the plasma beam. The laser radiation supplied to the outer edge region extends parallel with the center axis of the plasma beam.Type: ApplicationFiled: October 29, 2014Publication date: February 26, 2015Inventors: Andreas Popp, Tim Hesse, Tobias Kaiser