Patents by Inventor Henry Robert Siggers

Henry Robert Siggers 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).

  • Vehicle electrical circuit failure monitor
    Patent number: 6525654
    Abstract: The invention concerns an apparatus for monitoring the operation of electrical circuits on a vehicle trailer 10, and has a monitoring unit 18 including a monitor circuit 32 for outputting a signal in response to failure of a component such as a lamp 12a-12d of a trailer electrical circuit. The monitoring unit also has a transmitter 34 for passing a failure indication signal to a receiver 90 of an indicator unit 26 which is mounted in a towing vehicle 14 in a position where it can give an indication of failure of the component to the vehicle driver.
    Type: Grant
    Filed: March 2, 2001
    Date of Patent: February 25, 2003
    Assignee: Nighthawk (TLM) Limited
    Inventor: Henry Robert Siggers