Patents by Inventor Joseph F. Niedzwiecki

Joseph F. Niedzwiecki 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).

  • Reciprocating refrigerant compressor valve arrangement
    Patent number: 4100934
    Abstract: An annular valve stop insert for a compressor body is shown which has the function of establishing the positional relationship of the valve plate, valve and compressor body.
    Type: Grant
    Filed: May 16, 1977
    Date of Patent: July 18, 1978
    Assignee: The Trane Company
    Inventors: Arthur L. Butterworth, Joseph F. Niedzwiecki