Patents by Inventor Michael J. Pastore, Jr.

Michael J. Pastore, Jr. 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).

  • Two-stage pumping system
    Patent number: 5131817
    Abstract: In a gas pumping system including a first stage rotary lobe pump for pumping gas to a second stage liquid ring pump, cooling liquid is injected into the compression zone of the rotary lobe pump so that the liquid mixes intimately with the gas being compressed in that zone and reduces the temperature rise of the gas in that zone in order to reduce heat transfer from that gas to the lobes of the rotary lobe pump.
    Type: Grant
    Filed: March 22, 1990
    Date of Patent: July 21, 1992
    Assignee: The Nash Engineering Company
    Inventor: Michael J. Pastore, Jr.