Patents by Inventor Michael W. Perrin

Michael W. Perrin 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).

  • Patent number: 4969482
    Abstract: A reusable emergency gas shutt-off valve for terminating the supply of fuel to a dwelling is adapted for fluid pressure actuation at a location outside of the dwelling, manual actuation on the valve itself, and thermal actuation from heat in the vicinity of the valve or via a signal received from a temperature-sensing device at a location remote from the valve. The valve is resettable only by utilizing a specially-constructed reloading tool.
    Type: Grant
    Filed: December 1, 1988
    Date of Patent: November 13, 1990
    Assignee: Flodyne Controls, Inc.
    Inventors: Michael W. Perrin, Nicholas R. Clew, Lewis E. Zarr