Patents by Inventor John Peter Carr

John Peter Carr 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).

  • Patent number: 11177104
    Abstract: A device for controlling electron flow is provided. The device comprises a cathode, an elongate electrical conductor embedded in a diamond substrate, an anode, and a control electrode provided on the substrate surface for modifying the electric field in the region of the end of the conductor. A method of manufacturing the device is also provided.
    Type: Grant
    Filed: December 3, 2020
    Date of Patent: November 16, 2021
    Assignee: Evince Technology Limited
    Inventors: Gareth Andrew Taylor, David Andrew James Moran, John Peter Carr, Paul Farrar, Mark Kieran Massey
  • Patent number: 11094496
    Abstract: A device for controlling electron flow is provided. The device comprises a cathode, an elongate electrical conductor embedded in a diamond substrate, an anode, and a control electrode provided on the substrate surface for modifying the electric field in the region of the end of the conductor. A method of manufacturing the device is also provided.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: August 17, 2021
    Assignee: Evince Technology Limited
    Inventors: Gareth Andrew Taylor, David Andrew James Moran, John Peter Carr, Paul Farrar, Mark Kieran Massey
  • Publication number: 20210159039
    Abstract: A device for controlling electron flow is provided. The device comprises a cathode, an elongate electrical conductor embedded in a diamond substrate, an anode, and a control electrode provided on the substrate surface for modifying the electric field in the region of the end of the conductor. A method of manufacturing the device is also provided.
    Type: Application
    Filed: December 3, 2020
    Publication date: May 27, 2021
    Inventors: Gareth Andrew Taylor, David Andrew James Moran, John Peter Carr, Paul Farrar, Mark Kieran Massey
  • Publication number: 20200388460
    Abstract: A device for controlling electron flow is provided. The device comprises a cathode, an elongate electrical conductor embedded in a diamond substrate, an anode, and a control electrode provided on the substrate surface for modifying the electric field in the region of the end of the conductor. A method of manufacturing the device is also provided.
    Type: Application
    Filed: July 24, 2018
    Publication date: December 10, 2020
    Inventors: Gareth Andrew Taylor, David Andrew James Moran, John Peter Carr, Paul Farrar, Mark Kieran Massey
  • Publication number: 20100072456
    Abstract: A read head for a scale reading apparatus, the head including a light source and an array of photodetector elements, wherein said light source and array of photodetector elements are fabricated in a lattice matched semiconductor compound.
    Type: Application
    Filed: October 29, 2007
    Publication date: March 25, 2010
    Applicant: RENISHAW PLC
    Inventors: Nicholas John Weston, Alexander David McKendrick, John Peter Carr, Marc Philippe Yves Desmulliez, Geoffrey McFarland