Patents by Inventor Sripati Sah
Sripati Sah 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: 11964831Abstract: An apparatus including a first device configured to support a substrate thereon; a first transport having the first device connected thereto, where the first transport includes: rails or maglev guides; a magnetic system configured to vertically space the first device over the rails or maglev guides with a gap between the first device and the rails or maglev guides, where the magnetic system comprises a first electromagnetic actuator at a first corner of a first side of the first device, a second electromagnetic actuator at a second corner of the first side of the first device, and a third electromagnetic actuator at a second opposite side of the first device, where the third electromagnetic actuator is not located proximate a corner of three sides of the first device; and a linear actuator configured to move the first device along the rails or maglev guides.Type: GrantFiled: February 12, 2020Date of Patent: April 23, 2024Assignee: Persimmon Technologies CorporationInventors: Martin Hosek, Sripati Sah, Scott Frash
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Patent number: 11929276Abstract: An apparatus including a first base plate, where the first base plate is configured to have at least one linear drive component and/or at least one power coupling component connected to a top side of the first base plate, where the first base plate is configured to be located inside a vacuum chamber; and a plurality of rails or transport guides on the top side of the first base plate. An end of the first base plate includes at least one alignment feature configured to align an end of the first base plate to an end of a second base plate. The first base plate is configured to provide, in combination with the second base plate, a structural platform inside the vacuum chamber for a robot drive to move in the vacuum chamber along the plurality of transport guides.Type: GrantFiled: February 12, 2020Date of Patent: March 12, 2024Assignee: Persimmon Technologies CorporationInventors: Martin Hosek, Sripati Sah
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Publication number: 20240043228Abstract: An apparatus including a first device configured to support a substrate thereon; a first transport having the first device connected thereto, where the first transport includes: rails or maglev guides; a magnetic system configured to vertically space the first device over the rails or maglev guides with a gap between the first device and the rails or maglev guides, where the magnetic system comprises a first electromagnetic actuator at a first corner of a first side of the first device, a second electromagnetic actuator at a second corner of the first side of the first device, and a third electromagnetic actuator at a second opposite side of the first device, where the third electromagnetic actuator is not located proximate a corner of three sides of the first device; and a linear actuator configured to move the first device along the rails or maglev guides.Type: ApplicationFiled: October 19, 2023Publication date: February 8, 2024Inventors: Martin Hosek, Sripati Sah, Scott Frash
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Patent number: 11633854Abstract: Disclosed herein is a method. The method includes moving a payload through a motion path proximate at least one sensor. Detecting edges of the payload such that at least three points on at least two edges are detected. Capturing a position when the at least one sensor detects at least one edge of the payload.Type: GrantFiled: June 28, 2019Date of Patent: April 25, 2023Assignee: Persimmon Technologies CorporationInventors: Martin Hosek, Scott Wilkas, Sripati Sah, Itsui Yamayoshi
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Patent number: 11562921Abstract: A method including: locating a shaft of a rotor relative to a stator of a motor, locating a robot arm mount on the shaft, temporarily stationarily fixing the robot arm mount relative to the stator at a predetermined rotational location relative to the stator, and while the robot arm mount is temporarily stationarily fixed relative to the stator at the predetermined rotational location, stationarily fixing the robot arm mount to the shaft by a connection, where the connection allows the robot arm mount to be stationarily fixed to the shaft at one of a plurality of angular orientations.Type: GrantFiled: January 14, 2019Date of Patent: January 24, 2023Assignee: Persimmon Technologies CorporationInventors: Martin Hosek, Leonard T. Lilliston, III, Sripati Sah
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Publication number: 20220352776Abstract: A motor comprises a stator comprising at least one core; a coil wound on the at least one core of the stator; a rotor having a rotor pole and being rotatably mounted relative to the stator; and at least one magnet disposed between the rotor and the stator. The at least one core comprises a composite material defined by iron-containing particles having an alumina layer disposed thereon.Type: ApplicationFiled: July 13, 2022Publication date: November 3, 2022Inventors: Martin Hosek, Sripati Sah, Jayaraman Krishnasamy
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Publication number: 20220266456Abstract: An apparatus includes a drive; a movable arm connected to the drive and having a first link rotatable about the drive at a first rotary joint, a first actuator configured to cause a rotation of the first link about the first rotary joint, at least one second link connected to the first link at a second rotary joint, at least one second actuator configured to cause a rotation of the second link about the second rotary joint, and at least one gripper on the second link, the gripper being configured to carry a payload. The gripper includes a dielectric substrate, at least one electrode disposed on the dielectric substrate, the electrode being configured to produce an attractive force on a surface of the electrode to attract the payload, and a main electronic module configured to apply a voltage to the electrode from a source of current.Type: ApplicationFiled: February 23, 2022Publication date: August 25, 2022Inventors: Martin Hosek, Sripati Sah, Himanshu Shukla
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Patent number: 11404929Abstract: A motor comprises a stator comprising at least one core; a coil wound on the at least one core of the stator; a rotor having a rotor pole and being rotatably mounted relative to the stator; and at least one magnet disposed between the rotor and the stator. The at least one core comprises a composite material defined by iron-containing particles having an alumina layer disposed thereon.Type: GrantFiled: January 13, 2020Date of Patent: August 2, 2022Assignee: Persimmon Technologies CorporationInventors: Martin Hosek, Sripati Sah, Jayaraman Krishnasamy
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Patent number: 11370305Abstract: An apparatus comprises a first induction section comprising a first core and a first coil on the first core. A second induction section comprises a second core and a second coil on the second core. The first core comprises rail extensions, where at least two of the rail extensions extend from opposite ends of the first core. The second core comprises shoe portions located at respective ones of the rail extensions, where a gap is provided between each of the rail extensions and respective ones of the shoe portion. The second induction section is configured to move relative to the first induction section in a path along the extensions. The first induction section is configured to induce current in the second induction section, including when the second core moves relative to the first core along the extensions, to provide a contactless induction coupling between the first induction section and the second induction section.Type: GrantFiled: December 18, 2017Date of Patent: June 28, 2022Assignee: Persimmon Technologies CorporationInventors: Martin Hosek, Sripati Sah
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Patent number: 11180841Abstract: A soft magnetic material comprises a plurality of iron-containing particles and an insulating layer on the iron-containing particles, the insulating layer comprising an oxide. The soft magnetic material is an aggregate of permeable micro-domains separated by insulation boundaries.Type: GrantFiled: January 16, 2020Date of Patent: November 23, 2021Assignee: Persimmon Technologies CorporationInventors: Martin Hosek, Sripati Sah, Jayaraman Krishnasamy
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Publication number: 20210245372Abstract: An apparatus includes a drive; a movable arm connected to the drive, the movable arm comprising a first link connected to the drive at a shoulder, a second link connected to the first link at an elbow, a third link connected to the second link at a wrist, and a fourth link connected to the second link at the wrist; at least one first actuator located in the second link configured to cause a rotation of the third link about the wrist; and at least one second actuator located in the second link configured to cause a rotation of the fourth link about the wrist. One or more of a thermal management, a power distribution, or a communication is effected through the second link.Type: ApplicationFiled: February 10, 2021Publication date: August 12, 2021Inventors: Martin HOSEK, Tuan HA, Dennis POOLE, Sripati SAH, Himanshu SHUKLA
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Patent number: 10946749Abstract: An apparatus comprises a first induction section comprising a first core and a first coil on the first core. A second induction section comprises a second core and a second coil on the second core. The first core comprises rail extensions, where at least two of the rail extensions extend from opposite ends of the first core. The second core comprises shoe portions located at respective ones of the rail extensions, where a gap is provided between each of the rail extensions and respective ones of the shoe portion. The second induction section is configured to move relative to the first induction section in a path along the extensions. The first induction section is configured to induce current in the second induction section, including when the second core moves relative to the first core along the extensions, to provide a contactless induction coupling between the first induction section and the second induction section.Type: GrantFiled: December 18, 2017Date of Patent: March 16, 2021Assignee: Persimmon Technologies CorporationInventors: Martin Hosek, Sripati Sah
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Publication number: 20200262060Abstract: An apparatus including a first base plate, where the first base plate is configured to have at least one linear drive component and/or at least one power coupling component connected to a top side of the first base plate, where the first base plate is configured to be located inside a vacuum chamber; and a plurality of rails or transport guides on the top side of the first base plate. An end of the first base plate includes at least one alignment feature configured to align an end of the first base plate to an end of a second base plate. The first base plate is configured to provide, in combination with the second base plate, a structural platform inside the vacuum chamber for a robot drive to move in the vacuum chamber along the plurality of transport guides.Type: ApplicationFiled: February 12, 2020Publication date: August 20, 2020Inventors: Martin Hosek, Sripati Sah
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Publication number: 20200262660Abstract: An apparatus including a first device configured to support a substrate thereon; a first transport having the first device connected thereto, where the first transport includes: rails or maglev guides; a magnetic system configured to vertically space the first device over the rails or maglev guides with a gap between the first device and the rails or maglev guides, where the magnetic system comprises a first electromagnetic actuator at a first corner of a first side of the first device, a second electromagnetic actuator at a second corner of the first side of the first device, and a third electromagnetic actuator at a second opposite side of the first device, where the third electromagnetic actuator is not located proximate a corner of three sides of the first device; and a linear actuator configured to move the first device along the rails or maglev guides.Type: ApplicationFiled: February 12, 2020Publication date: August 20, 2020Inventors: Martin Hosek, Sripati Sah, Scott Frash
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Patent number: 10742070Abstract: An apparatus comprises a first induction section comprising a first core and a first coil on the first core. A second induction section comprises a second core and a second coil on the second core. The first core comprises rail extensions, where at least two of the rail extensions extend from opposite ends of the first core. The second core comprises shoe portions located at respective ones of the rail extensions, where a gap is provided between each of the rail extensions and respective ones of the shoe portion. The second induction section is configured to move relative to the first induction section in a path along the extensions. The first induction section is configured to induce current in the second induction section, including when the second core moves relative to the first core along the extensions, to provide a contactless induction coupling between the first induction section and the second induction section.Type: GrantFiled: February 8, 2016Date of Patent: August 11, 2020Assignee: Persimmon Technologies CorporationInventors: Martin Hosek, Sripati Sah
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Patent number: 10655658Abstract: An apparatus has a frame and a plurality of clamps connected to the frame. At least one of the clamps is movable to releasably clamp a sheet of material on the apparatus. The plurality of clamps are configured and located on the frame to be limited to clamp on the sheet of material at least two edges of the sheet of material.Type: GrantFiled: January 19, 2017Date of Patent: May 19, 2020Assignee: Persimmon Technologies, Corp.Inventors: Martin Hosek, Sripati Sah
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Publication number: 20200153303Abstract: A motor comprises a stator comprising at least one core; a coil wound on the at least one core of the stator; a rotor having a rotor pole and being rotatably mounted relative to the stator; and at least one magnet disposed between the rotor and the stator. The at least one core comprises a composite material defined by iron-containing particles having an alumina layer disposed thereon.Type: ApplicationFiled: January 13, 2020Publication date: May 14, 2020Inventors: Martin Hosek, Sripati Sah, Jayaraman Krishnasamy
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Publication number: 20200149147Abstract: A soft magnetic material comprises a plurality of iron-containing particles and an insulating layer on the iron-containing particles, the insulating layer comprising an oxide. The soft magnetic material is an aggregate of permeable micro-domains separated by insulation boundaries.Type: ApplicationFiled: January 16, 2020Publication date: May 14, 2020Inventors: Martin Hosek, Sripati Sah, Jayaraman Krishnasamy
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Patent number: 10570494Abstract: A soft magnetic material comprises a plurality of iron-containing particles and an insulating layer on the iron-containing particles, the insulating layer comprising an oxide. The soft magnetic material is an aggregate of permeable micro-domains separated by insulation boundaries.Type: GrantFiled: September 30, 2014Date of Patent: February 25, 2020Assignee: Persimmon Technologies CorporationInventors: Martin Hosek, Sripati Sah, Jayaraman Krishnasamy
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Patent number: 10559991Abstract: A motor comprises a stator comprising at least one core; a coil wound on the at least one core of the stator; a rotor having a rotor pole and being rotatably mounted relative to the stator; and at least one magnet disposed between the rotor and the stator. The at least one core comprises a composite material defined by iron-containing particles having an alumina layer disposed thereon.Type: GrantFiled: December 20, 2017Date of Patent: February 11, 2020Assignee: Persimmon Technologies CorporationInventors: Martin Hosek, Sripati Sah, Jayaraman Krishnasamy