Patents by Inventor Franklin A. Daigler

Franklin A. Daigler 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).

  • Thermostatic valve assembly
    Patent number: 4428527
    Abstract: A thermostatic valve assembly is disclosed having a vent valve retainer that is configured so as to be formed together with an otherwise conventional frame from flat sheet stock and thereafter formed to a confining shape about a ball vent valve element that is closeable on a vent hole in a mounting flange to which the frame attaches.
    Type: Grant
    Filed: September 9, 1982
    Date of Patent: January 31, 1984
    Assignee: General Motors Corporation
    Inventor: Franklin A. Daigler