Patents by Inventor Robert James McGregor

Robert James McGregor 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).

  • Emergency run-down unit for superconducting magnets
    Patent number: 8385033
    Abstract: In an emergency run down unit for a superconductive magnet assembly, a quench in the magnet is induced by the release of stored mechanical energy or by direct manual actuation.
    Type: Grant
    Filed: January 9, 2008
    Date of Patent: February 26, 2013
    Assignee: Siemens Plc
    Inventors: Matthias Ludwig Gebhardt, Robert James McGregor
  • PERSISTENT SWITCH SYSTEM
    Publication number: 20090257155
    Abstract: A persistent switches for use in a superconducting system includes a resistive element, a persistent switch connected in parallel with the resistive element and an inductive element connected to the persistent switch and the resistive element such that the inductive element limits a current in a hotspot of the persistent switch.
    Type: Application
    Filed: January 29, 2009
    Publication date: October 15, 2009
    Inventor: Robert James McGregor
  • Emergency Run-Down Unit for Superconducting Magnets
    Publication number: 20080169889
    Abstract: In an emergency run down unit for a superconductive magnet assembly, a quench in the magnet is induced by the release of stored mechanical energy or by direct manual actuation.
    Type: Application
    Filed: January 9, 2008
    Publication date: July 17, 2008
    Applicant: Siemens Magnet Technology Ltd.
    Inventors: Matthias Ludwig GEBHARDT, Robert James McGregor
  • Present card
    Patent number: 4012858
    Abstract: A greeting's card is given additional utility by forming one of its leaves with a perimetral frame, so that such leaf, with the other leaf attached or detached as desired, can be used as a picture frame or photograph frame.
    Type: Grant
    Filed: July 25, 1975
    Date of Patent: March 22, 1977
    Inventor: Eric Robert James McGregor