Patents by Inventor Michael Kubinski

Michael Kubinski 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).

  • Publication number: 20060123616
    Abstract: Apparatus and method for applying radial compressive stress pre-loading to a cylinder liner. A cylinder housing is attached to a pump, and a cylinder liner is disposed within the cylinder housing. A fluid inlet in fluid communication with the annular space between the cylinder housing and cylinder liner is disposed on the cylinder housing. The annular space is filled with pressurizing fluid through the fluid inlet, which creates radial compressive stress pre-loading on the cylinder liner.
    Type: Application
    Filed: November 29, 2005
    Publication date: June 15, 2006
    Applicant: National-Oilwell, L.P.
    Inventors: James Aday, Lopek Drzewiecki, Michael Kubinski, Andrew Riley