Patents by Inventor Louis R. Provencal

Louis R. Provencal 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: 6231230
    Abstract: A retractable thermowell is formed of a fixed thermowell housing on which a movable thermowell housing is threaded. The fixed thermowell housing and the movable thermowell housing together receive a thermowell. The thermowell is secured for axial movement with the movable thermowell housing. When the movable thermowell housing is threaded onto or off the fixed thermowell housing, the movable thermowell housing is moved between respectively an extended and retracted position.
    Type: Grant
    Filed: March 23, 1999
    Date of Patent: May 15, 2001
    Assignee: Alltemp Sensors Inc.
    Inventors: Michael B. Baldock, Louis R. Provencal