Patents by Inventor Gordon Stephen

Gordon Stephen 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).

  • Sensor apparatus and method
    Patent number: 6430105
    Abstract: A multi component seismic sensor which utilises orthogonal accelerometers to determine its orientation. The accelerometers may be used to measure seismic signals directly, or the system may include geophones for this purpose.
    Type: Grant
    Filed: June 4, 1999
    Date of Patent: August 6, 2002
    Assignee: Concept Systems Limited
    Inventor: Gordon Stephen
  • Sensor apparatus and method
    Patent number: RE43666
    Abstract: A multi component seismic sensor which utilises orthogonal accelerometers to determine its orientation. The accelerometers may be used to measure seismic signals directly, or the system may include geophones for this purpose.
    Type: Grant
    Filed: August 6, 2004
    Date of Patent: September 18, 2012
    Assignee: Concept Systems Limited
    Inventor: Gordon Stephen