Patents by Inventor Joseph Howard McCarthy

Joseph Howard McCarthy 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 hydrodynamic pump and method
    Patent number: 7758320
    Abstract: A two-stage pump having an internal fluid pathway or cycle for providing cooling to various parts in the pump, such as, an electric motor in the pump, and also for lubricating at least one or a plurality of bearings in the pump. The pump utilized hydrodynamic bearings that are adapted or configured to provide various passageways, channels and the like for using the fluid that is being pumped by the pump as lubrication for at least one or a plurality of bearings in the pump.
    Type: Grant
    Filed: May 3, 2007
    Date of Patent: July 20, 2010
    Assignee: Tank, Inc.
    Inventors: Hoa Dao Pham, Joseph Howard McCarthy, Jay Timothy Clementz, Philip Stahl
  • TWO-STAGE HYDRODYNAMIC PUMP AND METHOD
    Publication number: 20080273990
    Abstract: A two-stage pump having an internal fluid pathway or cycle for providing cooling to various parts in the pump, such as, an electric motor in the pump, and also for lubricating at least one or a plurality of bearings in the pump. The pump utilized hydrodynamic bearings that are adapted or configured to provide various passageways, channels and the like for using the fluid that is being pumped by the pump as lubrication for at least one or a plurality of bearings in the pump.
    Type: Application
    Filed: May 3, 2007
    Publication date: November 6, 2008
    Applicant: TARK, INC.
    Inventors: Hoa Dao Pham, Joseph Howard McCarthy, Jay Timothy Clementz, Philip Stahl