Patents by Inventor Charles A. Krehel

Charles A. Krehel 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).

  • Fuel gauge for propane tank
    Patent number: 4524617
    Abstract: A fuel gauge for indicating the level of fuel in a liquid propane tank comprises a housing mounting a weighing means and a cover forming a weighing platform. A locator means secures the tank on the weighing platform. An indicator means indicates the level of fuel in the tank in response to the actuation of the weighing means. The indicator means includes a scale and an angularly alignable pointer.
    Type: Grant
    Filed: October 6, 1983
    Date of Patent: June 25, 1985
    Assignee: The Cooper Thermometer Company
    Inventors: Charles A. Krehel, George N. Kaniwec