Patents by Inventor Brent Chain

Brent Chain 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).

  • Method and apparatus for safety switch
    Publication number: 20040211845
    Abstract: A circuit in accordance with the invention includes a safety switch device coupled with, and between, a thermally activated voltage source and a primary switch. The circuit also includes a safety switch control circuit coupled with the safety switch device and a controller circuit; and a voltage generation circuit for turning on the safety switch device. The voltage generation circuit is coupled with the safety switch control circuit, the controller circuit and the safety switch device, such that the controller circuit substantially controls operation of the voltage generation circuit, the safety switch control circuit, and a primary switch circuit that includes the primary switch.
    Type: Application
    Filed: April 25, 2003
    Publication date: October 28, 2004
    Applicant: Honeywell International Inc.
    Inventors: Brent Chain, Douglas D. Bird