Patents by Inventor Roger J. Murphy

Roger J. Murphy 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).

  • Pulsatile fluid pump system
    Patent number: 12085066
    Abstract: A pulsatile fluid pump system includes a pump-valving assembly including a chamber and a diaphragm assembly coupled to the chamber and including a flexible diaphragm. The diaphragm assembly and the pump-valving assembly are configured as an integral pump assembly. The system further includes a linear motor having a magnet and a coil, the magnet moving in relation to the coil, the coil having an electrical input. The system also includes a control housing rigidly coupled to the linear motor and a controller system having an electrical output coupled to the electrical input of the coil, the controller system defining an electrical waveform at the electrical output to cause desired operation of the diaphragm. The integral pump assembly is configured to be removably coupled to the control housing, and the diaphragm assembly of the integral pump assembly is configured to be removably coupled to the linear motor.
    Type: Grant
    Filed: February 23, 2021
    Date of Patent: September 10, 2024
    Assignee: VentriFlo, Inc.
    Inventors: Douglas E. Vincent, Brian Bailey, Conrad Bzura, David Butz, David Olney, Eric Smith, George Koenig, James W. Poitras, Jeffrey P. Naber, Judy Labonté, Kathleen Vincent, Lawrence Kuba, Matthew J. Murphy, Patrick Shields, Roger Greeley
  • Tent for use with trailer or the like
    Patent number: D266531
    Type: Grant
    Filed: May 29, 1980
    Date of Patent: October 12, 1982
    Inventor: Roger J. Murphy