Patents by Inventor Cassius F. Whitehill

Cassius F. Whitehill 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: 4227867
    Abstract: An air compressor of the globoid-worm type having a rotor formed with a plurality of threads in meshing relation with two oppositely arranged star pinions. The rotor and star pinions are arranged in a single piece housing which incorporates all openings as required for assemblage and operation of the functional elements of the compressor. The rotor has an integral shaft which projects from the housing. A cover encloses an end of the housing and is provided with outlet passages for the air compressed in the housing. Oil injection openings are arranged in the housing for application of lubricant to the rotor for sealing and cooling purposes.
    Type: Grant
    Filed: March 6, 1978
    Date of Patent: October 14, 1980
    Assignee: Chicago Pneumatic Tool Company
    Inventors: Cassius F. Whitehill, Robert D. Whitehill, Ghanshyam C. Patel
  • Patent number: D258063
    Type: Grant
    Filed: July 14, 1978
    Date of Patent: January 27, 1981
    Assignee: Chicago Pneumatic Tool Company
    Inventors: Cassius F. Whitehill, Ghanshyam C. Patel, Robert D. Whitehill