Patents by Inventor Joseph Oliver Sharpstone

Joseph Oliver Sharpstone 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).

  • Tank pump
    Patent number: D838293
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: January 15, 2019
    Assignee: Aspen Pumps Limited
    Inventor: Joseph Oliver Sharpstone
  • Fluid pump
    Patent number: D949202
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: April 19, 2022
    Assignee: ASPEN PUMPS LIMITED
    Inventor: Joseph Oliver Sharpstone
  • Peristaltic pump
    Patent number: D958840
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: July 26, 2022
    Inventor: Joseph Oliver Sharpstone