Patents by Inventor Derek Bond

Derek Bond 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).

  • Security door
    Publication number: 20020176607
    Abstract: A system for monitoring the passage of people through a controlled location, the system comprising; a security access device for selectively allowing and preventing the passage of one or more people through the controlled location; a thermal imaging device for obtaining movement and temperature information relating to people passing through the controlled location; and processing means for analysing the detective movement and temperature information for use in controlling the operation of the security access device.
    Type: Application
    Filed: May 21, 2002
    Publication date: November 28, 2002
    Inventors: Derek Bond, Mark Geering
  • Device and method for monitoring deposits in a pipe or vessel
    Patent number: 5618992
    Abstract: A non-intrusive device for attachment to a pipe or vessel through which a fluid flows for monitoring the accumulation of deposits on the interior surface of the pipe or vessel. The device comprises a tubular member having an internal cross-sectional configuration substantially matching that of the pipe or vessel. Additionally, the tubular member is made of an electrically insulating material and having associated therewith three spaced electrodes for monitoring the change of dielectric constant within the pipe or vessel.
    Type: Grant
    Filed: September 29, 1995
    Date of Patent: April 8, 1997
    Assignee: The BOC Group plc
    Inventors: Derek Bond, Raul A. Abreu