Patents by Inventor Kenneth Nixon

Kenneth Nixon 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).

  • Serviceable check valve
    Patent number: 7036523
    Abstract: Within a check valve, a spring urges a poppet into the closed position. If the fluid flow through the valve attempts to reverse, the poppet will seal against the valve seat by a combination of spring resistance and fluid pressure, thereby preventing all or a significant portion of fluid flow back through the valve body. The poppet is retained in the valve body by a retainer or other suitable part or combination of parts that can be removed for service of the check valve assembly.
    Type: Grant
    Filed: June 21, 2002
    Date of Patent: May 2, 2006
    Inventors: Kenneth Nixon, James Volk
  • Serviceable check valve
    Publication number: 20020195147
    Abstract: Within a check valve, a spring urges a poppet into the closed position. If the fluid flow through the valve attempts to reverse, the poppet will seal against the valve seat by a combination of spring resistance and fluid pressure, thereby preventing all or a significant portion of fluid flow back through the valve body. The poppet is retained in the valve body by a retainer or other suitable part or combination of parts that can be removed for service of the check valve assembly.
    Type: Application
    Filed: June 21, 2002
    Publication date: December 26, 2002
    Inventors: Kenneth Nixon, James Volk