Patents by Inventor Angus Grant

Angus Grant 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).

  • Downhole gas compression
    Patent number: 6601651
    Abstract: A downhole gas compression system is adapted for location in a bore of a natural gas-producing well (10), the system comprising an axial flow compressor (32) and a gas-filled electric drive motor (30). The motor drives the compressor to compress the produced gas, the compressed gas being directed upwardly through production tubing (20) to surface.
    Type: Grant
    Filed: February 2, 2001
    Date of Patent: August 5, 2003
    Assignee: Weir Pumps Limited
    Inventor: Angus Grant
  • Downhole gas compression
    Publication number: 20020011337
    Abstract: A downhole gas compression system is adapted for location in a bore of a natural gas-producing well (10), the system comprising an axial flow compressor (32) and a gas-filled electric drive motor (30). The motor drives the compressor to compress the produced gas, the compressed gas being directed upwardly through production tubing (20) to surface.
    Type: Application
    Filed: February 2, 2001
    Publication date: January 31, 2002
    Inventor: Angus Grant