Patents by Inventor Elmer Lifka

Elmer Lifka 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).

  • Coaxial cylindrical fluid drive
    Patent number: 3948048
    Abstract: A fluid drive composed of three coaxial cylindrical members mounted coaxially within a cylindrical housing. The outer of the three coaxial members is fixedly secured to an output shaft and the inner of the three coaxial members is fixedly secured to an input shaft. The intermediate cylindrical member has vanes for fluid interaction with vanes on the inner and outer cylinders.
    Type: Grant
    Filed: April 21, 1975
    Date of Patent: April 6, 1976
    Assignee: Lawrence Peska Associates, Inc.
    Inventor: Elmer Lifka