Patents by Inventor Norman Halem

Norman Halem 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).

  • Axial torsion pressure transducer
    Patent number: 4087662
    Abstract: Disclosed is a system of the type comprising an engine for performing a primary work function and at least one secondary work function, in which operation of the engine is characterized by alternating periods of primary work function load and no-load conditions, the system including means for loading the engine with the secondary work function only during the periods of primary work function no-load condition.
    Type: Grant
    Filed: October 31, 1975
    Date of Patent: May 2, 1978
    Inventor: Norman Halem