Patents by Inventor James J. Walpole

James J. Walpole 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).

  • Springless compressor valve
    Patent number: 7819131
    Abstract: A valve closure system particularly suited to reciprocating compressors employs no springs and preferably urges the valve in the closed direction by the force generated from magnets positioned to repel each other and in that manner deliver the force to keep the compressor valve closed. Other applications are envisioned and different techniques for replacing the spring component in such valve assemblies are also contemplated.
    Type: Grant
    Filed: February 14, 2005
    Date of Patent: October 26, 2010
    Assignee: Cameron International Corporation
    Inventor: James J. Walpole
  • Springless compressor valve
    Patent number: 7533692
    Abstract: A fluid-handling system that, in some embodiments, includes a poppet having a body, a magnet, and a mounting member configured to secure the magnet to the body is disclosed. Additionally, a method of forming a valve is disclosed.
    Type: Grant
    Filed: August 13, 2007
    Date of Patent: May 19, 2009
    Assignee: Cameron International Corporation
    Inventors: James J. Walpole, Zahroof Mohamed
  • SPRINGLESS COMPRESSOR VALVE
    Publication number: 20080223459
    Abstract: A fluid-handling system that, in some embodiments, includes a poppet having a body, a magnet, and a mounting member configured to secure the magnet to the body is disclosed. Additionally, a method of forming a valve is disclosed.
    Type: Application
    Filed: August 13, 2007
    Publication date: September 18, 2008
    Applicant: CAMERON INTERNATIONAL CORPORATION
    Inventors: James J. Walpole, Zahroof Mohamed