Patents by Inventor Graeme Peter Hossack

Graeme Peter Hossack 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).

  • Publication number: 20140077966
    Abstract: This invention relates to a power line communication (PLC) system wherein the power supply line supplies power and also acts as a communications supply line. A receiver is able to detect small changes in the modulated transmitted information and thereby shut down the circuit. The invention is particularly suitable for use where the IEL is remote from the power supply such as, for example, in down hole oil production situations where very long power cables are used.
    Type: Application
    Filed: November 22, 2013
    Publication date: March 20, 2014
    Applicant: OILFIELD EQUIPMENT DEVELOPMENT CENTER LIMITED
    Inventors: Mark Patrick ROBERTSON, Graeme Peter HOSSACK, Hossack
  • Patent number: 8593266
    Abstract: This invention relates to a power line communication (PLC) system wherein the power supply line supplies power and also acts as a communications supply line. A receiver is able to detect small changes in the modulated transmitted information and thereby shut down the circuit. The invention is particularly suitable for use where the IEL is remote from the power supply such as, for example, in down hole oil production situations where very long power cables are used.
    Type: Grant
    Filed: July 7, 2004
    Date of Patent: November 26, 2013
    Assignee: Oilfield Equipment Development Center Limited
    Inventors: Mark Patrick Robertson, Graeme Peter Hossack
  • Publication number: 20040246108
    Abstract: This invention relates to a power line communication (PLC) system wherein the power supply line supplies power and also acts as a communications supply line. A receiver is able to detect small changes in the modulated transmitted information and thereby shut down the circuit. The invention is particularly suitable for use where the IEL is remote from the power supply such as, for example, in down hole oil production situations where very long power cables are used.
    Type: Application
    Filed: July 7, 2004
    Publication date: December 9, 2004
    Inventors: Mark Patrick Robertson, Graeme Peter Hossack