Patents by Inventor Erik Johnson
Erik Johnson 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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Patent number: 11870318Abstract: Homopolar linear synchronous machines are provided herein that include a mover device. The mover device includes a cold plate with ferromagnetic cores extending through slots in the cold plate. Layers of armature coils are located around the ferromagnetic cores on opposite sides of the cold plate. The mover device further includes at least one field coil.Type: GrantFiled: August 24, 2022Date of Patent: January 9, 2024Assignee: HYPERLOOP TECHNOLOGIES, INC.Inventors: Alexander Jedinger, Arbi Gharakhani Siraki, Erik Johnson, Shahriyar Beizaee, Rachel Ozer, Ju Hyung Kim
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Patent number: 11828103Abstract: A door assembly is configured to accept various lockboxes and locking mechanisms. The door assembly includes: a door with a cavity defined along an outer edge of the door; a lockbox that is positioned within the cavity and is removably secured to the door; and a locking mechanism that is carried by the lockbox. The lockbox includes various openings of different types, which are spaced to accommodate different types of locking mechanisms. The lockbox can be removed from the door to either replace the locking mechanism carried by the lockbox or to substitute the lockbox altogether to modify the locking features and/or functionality of the door assembly as desired or needed.Type: GrantFiled: November 20, 2020Date of Patent: November 28, 2023Assignee: WireCrafters, LLCInventors: Erik Johnson, Brandon Green
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Patent number: 11808052Abstract: A panel structure with a slotted mounting system includes: a first post; a second post; and a panel that is configured to be mounted to the first post and the second post. Each post includes one or more fasteners that extend outwardly from a body of the respective posts and can be loosened to define a shelf on which the panel can be hung. The panel includes slots corresponding to and configured to receive the fasteners extending from the body of the first post and the second post. Once hung, the panel is released, and the respective fasteners of the first post and the second post tightened to impose a clamping force to secure the panel. The panel structure can include a plurality of posts with fasteners and a plurality of panels with slots corresponding to the fasteners of the respective posts to provide a multi-walled structure when assembled.Type: GrantFiled: April 1, 2021Date of Patent: November 7, 2023Assignee: WireCrafters, LLCInventor: Erik Johnson
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Patent number: 11758210Abstract: Devices, systems, and methods are provided for demographic matching and content selection for unidentified audiences. A method may include receiving, by a first device of a first device type, a request to present first content to a user of a first audience using a second device; determining a time at which the first content is to be presented to the first audience using the second device; identifying a second audience to which the second content is to be presented using devices of the first device type during a time period that includes the time; determining a probability that the user belongs to an audience group that includes users of the second audience based on the second content, the time period, and a second device type of the second device; and causing selection of the first content or third content for presentation to the first audience.Type: GrantFiled: June 24, 2021Date of Patent: September 12, 2023Assignee: Amazon Technologies, Inc.Inventors: Cristobal Garib Herrera, Junichi Suzuki, Robert James Victor, Benjamin Erik Johnson, Xinyu Chen
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Patent number: 11732529Abstract: A door assembly is configured to accept various lockboxes and locking mechanisms. The door assembly includes: a door with a cavity defined along an outer edge of the door; a lockbox that is positioned within the cavity and is removably secured to the door; and a locking mechanism that is carried by the lockbox. The lockbox includes various openings of different types, which are spaced to accommodate different types of locking mechanisms. The lockbox can be removed from the door to either replace the locking mechanism carried by the lockbox or to substitute the lockbox altogether to modify the locking features and/or functionality of the door assembly as desired or needed.Type: GrantFiled: November 20, 2020Date of Patent: August 22, 2023Assignee: WireCrafters, LLCInventors: Erik Johnson, Brandon Green
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Patent number: 11682956Abstract: Disclosed is a machine having a moving member. The moving member including a cold plate having a plurality of slots through the cold plate. The moving member also including a plurality of ferromagnetic cores coupled to the cold plate, each of the plurality of ferromagnetic cores protruding through a respective one of the plurality of slots, creating gaps between the plurality of ferromagnetic cores. The moving member also including a plurality of armature windings coupled to the cold plate, the plurality of armature windings occupying the gaps between the plurality of ferromagnetic cores.Type: GrantFiled: September 8, 2021Date of Patent: June 20, 2023Assignee: Hyperloop Technologies, Inc.Inventors: Alexander Jedinger, Arbi Gharakhani Siraki, Erik Johnson, Shahriyar Beizaee, Rachel Ozer, Ju Hyung Kim
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Patent number: 11600739Abstract: An apparatus for patterned processing includes a source of input gas, a source of energy suitable for generating a plasma from the input gas in a plasma region and a grounded sample holder configured for receiving a solid sample. The apparatus includes a mask arranged between the plasma region and the grounded sample holder, the mask having a first face oriented toward the plasma region and a second face oriented toward a surface of the solid sample to be processed, the mask including a mask opening extending from the first face to the second face, and an electrical power supply adapted for applying a direct-current bias voltage to the mask, and the mask opening being dimensioned and shaped so as to generate spatially selective patterned processing on the surface of the solid sample.Type: GrantFiled: May 18, 2018Date of Patent: March 7, 2023Assignees: TOTAL SA, ECOLE POLYTECHNIQUE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Bastien Bruneau, Erik Johnson, Pavel Bulkin, Nada Habka, Gilles Poulain, Nacib Benmammar
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Publication number: 20230018436Abstract: A moving member of a machine can include a cold plate that serves as a primary structural member for the moving member. The cold plate can have one or more cooling channels formed within the cold plate. A plurality of armature windings can be fixed to the cold plate. One or more field windings can be fixed to the cold plate. A plurality of ferromagnetic cores can be fixed to the cold plate, each ferromagnetic core positioned within a loop of at least one of the plurality of armature windings. Other embodiments are described.Type: ApplicationFiled: September 28, 2022Publication date: January 19, 2023Applicant: HYPERLOOP TECHNOLOGIES, INC.Inventors: Alexander JEDINGER, Arbi Gharakhani SIRAKI, Erik JOHNSON, Shahriyar BEIZAEE, Rachel OZER, Ju Hyung KIM
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Publication number: 20220416636Abstract: Homopolar linear synchronous machines are provided herein that include a mover device. The mover device includes a cold plate with ferromagnetic cores extending through slots in the cold plate. Layers of armature coils are located around the ferromagnetic cores on opposite sides of the cold plate. The mover device further includes at least one field coil.Type: ApplicationFiled: August 24, 2022Publication date: December 29, 2022Inventors: Alexander JEDINGER, Arbi GHARAKHANI SIRAKI, Erik JOHNSON, Shahriyar BEIZAEE, Rachel OZER, Ju Hyung KIM
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Publication number: 20220385162Abstract: A system (100), electromagnetic actuator (102) and track (101) for braking are provided. The actuator (102) includes pole portions (109) extending from back-iron portions. Respective longitudinal axes (104) of the pole portions (109) are arranged about parallel to one another and about perpendicular to a common movement axis (104). A pole pitch of the pole portions (109) is selected to induce eddy currents in a segmented track (101), such that the eddy currents are present in a skin depth at more than one surface of segments (105) of the segmented track (101) when the pole portions (109) are moving at given speeds. Eddy current generated losses occupy about an entirety of a volume of a segment (105) of the track (101) below a given intermediate speed, and the eddy current generated losses occupy at least one third of the volume of the segment (105) at a given maximum speed greater than the given intermediate speed. Individually controllable electrical windings are around respective pole portions (109).Type: ApplicationFiled: November 5, 2020Publication date: December 1, 2022Inventors: Yingjie LI, Arbi GHARAKHANI SIRAKI, Rachel OZER, Shahriyar BEIZAEE, Erik JOHNSON
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Publication number: 20220384077Abstract: An electromagnetic actuator for generating force is provided. The electromagnetic actuator includes a ferromagnetic body extending along a longitudinal axis, the ferromagnetic body comprising: a back-iron portion; and a pair of pole portions, extending from the back-iron portion, the back-iron portion connecting the pair of pole portions. The electromagnetic actuator further includes one or more magnetic-flux changing components at the pole portions, a respective magnetic-flux changing component located at a respective pole face, the respective magnetic-flux changing component configured to change magnetic flux density at a respective track-facing surface relative to the respective pole face. The electromagnetic actuator further includes electrical windings around the pole portions.Type: ApplicationFiled: November 5, 2020Publication date: December 1, 2022Inventors: Tim LAMBERT, Noel GODINEZ, Irfan-ur-rab USMAN, Erik JOHNSON, George TIRONE
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Publication number: 20220376595Abstract: An electromagnetic machine for generating force is provided. The electromagnetic machine includes a magnet having opposing sides extending along a longitudinal axis. The electromagnetic machine includes a pair of ferromagnetic bodies respectively extending along the opposing sides of the magnet, and along the longitudinal axis, each of the ferromagnetic bodies comprising: a back-iron portion; and a pole portion extending from the back-iron portion. The magnet and the ferromagnetic bodies include reciprocal retention devices at the opposing sides along the longitudinal axis. The electromagnetic machine includes electrical windings around respective pole portions of the ferromagnetic bodies, the electrical windings around the respective pole portions being independently controllable. The electromagnetic machine includes at least one cold plate configured to thermally isolate the magnet from the electrical windings.Type: ApplicationFiled: November 5, 2020Publication date: November 24, 2022Inventors: Noel GODINEZ, Tim LAMBERT, Irfan-ur-rab USMAN, Erik JOHNSON
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Patent number: 11496035Abstract: Homopolar linear synchronous machines (200) are provided herein that include a mover device (111). The mover device (111) includes a cold plate with ferromagnetic cores extending through slots in the cold plate. Layers of armature coils are located around the ferromagnetic cores on opposite sides of the cold plate. The mover device (111) further includes at least one field coil.Type: GrantFiled: September 18, 2019Date of Patent: November 8, 2022Assignee: Motorola Solutions, Inc.Inventors: Alexander Jedinger, Arbi Gharakhani Siraki, Erik Johnson, Shahriyar Beizaee, Rachel Ozer, Ju Hyung Kim
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Patent number: 11476745Abstract: A moving member of a machine can include a cold plate that serves as a primary structural member for the moving member. The cold plate can have one or more cooling channels formed within the cold plate. A plurality of armature windings can be fixed to the cold plate. One or more field windings can be fixed to the cold plate. A plurality of ferromagnetic cores can be fixed to the cold plate, each ferromagnetic core positioned within a loop of at least one of the plurality of armature windings. Other embodiments are described.Type: GrantFiled: September 19, 2019Date of Patent: October 18, 2022Assignee: HYPERLOOP TECHNOLOGIES, INC.Inventors: Alexander Jedinger, Arbi Gharakhani Siraki, Erik Johnson, Shahriyar Beizaee, Rachel Ozer, Ju Hyung Kim
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Publication number: 20220160582Abstract: A liquid concentrate generation system may comprise a manifold having an inlet receptacle including a first piercing member, an outlet receptacle including a second piercing member, and a flow channel connecting the inlet receptacle and outlet receptacle. The system may further comprise a cartridge having an inlet port and an outlet port sealed by a respective first and second cover. The inlet and outlet port may be respectively configured to displace within the inlet receptacle and outlet receptacle from an unspiked position to a spiked position. First and second piercing members may be in communication with the flow channel and spaced apart respectively from the first and second cover in the unspiked position. The first and second piercing members may be isolated from the flow channel and may respectively puncture the first and second cover in the spiked position.Type: ApplicationFiled: September 24, 2021Publication date: May 26, 2022Inventors: Ryan P. Wood, Michael J. Haynes, Hans Erik Johnson, Thaddeus Joseph Hughes, Robert Houston Lawler, JR.
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Publication number: 20210408886Abstract: Disclosed is a machine having a moving member. The moving member including a cold plate having a plurality of slots through the cold plate. The moving member also including a plurality of ferromagnetic cores coupled to the cold plate, each of the plurality of ferromagnetic cores protruding through a respective one of the plurality of slots, creating gaps between the plurality of ferromagnetic cores. The moving member also including a plurality of armature windings coupled to the cold plate, the plurality of armature windings occupying the gaps between the plurality of ferromagnetic cores.Type: ApplicationFiled: September 8, 2021Publication date: December 30, 2021Inventors: Alexander Jedinger, Arbi Gharakhani Siraki, Erik Johnson, Shahriyar Beizaee, Rachel Ozer, Ju Hyung Kim
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Patent number: 11196330Abstract: Disclosed is a yoke-less mover of a homopolar linear synchronous machine. The yoke-less mover may include a cold plate having slots. Ferromagnetic cores are fixed to the cold plate. Each of the ferromagnetic cores may protrude through a respective one of the slots, creating gaps between the ferromagnetic cores. Armature windings are fixed to the cold plate. The armature windings may occupy the gaps between the ferromagnetic cores. The ferromagnetic cores of the yoke-less mover have better ferromagnetic utilization and lower weight. It also enables more flexible topologies in the armature windings.Type: GrantFiled: September 19, 2019Date of Patent: December 7, 2021Assignee: Hyperloop Technologies, Inc.Inventors: Alexander Jedinger, Arbi Gharakhani Siraki, Erik Johnson, Shahriyar Beizaee, Rachel Ozer, Ju Hyung Kim
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Publication number: 20210336511Abstract: Homopolar linear synchronous machines (200) are provided herein that include a mover device (111). The mover device (111) includes a cold plate with ferromagnetic cores extending through slots in the cold plate. Layers of armature coils are located around the ferromagnetic cores on opposite sides of the cold plate. The mover device (111) further includes at least one field coil.Type: ApplicationFiled: September 18, 2019Publication date: October 28, 2021Inventors: Alexander JEDINGER, Arbi GHARAKHANI SIRAKI, Erik JOHNSON, Shahriyar BEIZAEE, Rachel OZER, Ju Hyung KIM
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Publication number: 20200360230Abstract: An apparatus for a sauna includes a first and second heating element. The first heating element has a first conductive path and is coupled to pass a current. The second heating element has a second conductive path that runs adjacent to the first conductive path. The second heating element substantially blocks an electric field produced within the first heating element. The first conductive path is coupled to redirect the current to the second conductive path and set up complementary magnetic fields between the first and second heating elements.Type: ApplicationFiled: August 4, 2020Publication date: November 19, 2020Inventor: Erik Johnson
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Patent number: 10796885Abstract: The invention relates to a circuit (100) able to achieve simultaneous impedance matching between a generator (G) and a load (CH) for a power supply signal comprising at least two distinct frequencies.Type: GrantFiled: November 8, 2017Date of Patent: October 6, 2020Assignees: Centre National de la Recherche Scientifique, Ecole PolytechniqueInventors: Erik Johnson, Jean-Paul Booth