Patents by Inventor Richard Julian DAVIS

Richard Julian DAVIS 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: 10009066
    Abstract: A communication system for transmitting electrical power and data between a first end of a transmission line and a second end of the transmission line comprises, at the first end: a DC supply means for supplying direct current to the transmission line; first switching means for switching the DC supply means; and a first modulator for operating the first switching means. At the second end, the system comprises an energy storage means for storing and supplying DC power; second switching means for switching power from the energy storage means; and a second modulator for operating the second switching means.
    Type: Grant
    Filed: September 18, 2014
    Date of Patent: June 26, 2018
    Assignee: Vetco Gray Controls Limited
    Inventors: Silviu Puchianu, Graham Thomas Morley, Richard Julian Davis
  • Publication number: 20160233924
    Abstract: A communication system for transmitting electrical power and data between a first end of a transmission line and a second end of the transmission line comprises, at the first end: a DC supply means for supplying direct current to the transmission line; first switching means for switching the DC supply means; and a first modulator for operating the first switching means. At the second end, the system comprises an energy storage means for storing and supplying DC power; second switching means for switching power from the energy storage means; and a second modulator for operating the second switching means.
    Type: Application
    Filed: September 18, 2014
    Publication date: August 11, 2016
    Inventors: Silviu PUCHIANU, Graham Thomas MORLEY, Richard Julian DAVIS