Patents by Inventor Christopher Eugene ROBINSON

Christopher Eugene ROBINSON 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).

  • Patent number: 11092145
    Abstract: A valve retainer assembly and pump including the same. In an embodiment, the valve retainer assembly includes a retainer configured to engage with a suction valve assembly and retain the suction valve assembly within a chamber of a fluid section of a reciprocating pump. The retainer includes a pair of engagement arms extending along a single arm axis, and a connecting member including a coupling aperture. In addition, the valve retainer assembly includes a keeper that further includes a keeper axis, and a connecting shaft. The connecting shaft of the keeper is received within the coupling aperture such that the keeper axis extends in a direction that is perpendicular to the arm axis.
    Type: Grant
    Filed: May 31, 2016
    Date of Patent: August 17, 2021
    Assignee: National Oilwell Varco, L.P.
    Inventors: Justin Wade Erwin, Christopher Eugene Robinson, Daniel Alan Senechal
  • Publication number: 20200318626
    Abstract: A valve retainer assembly and pump including the same. In an embodiment, the valve retainer assembly includes a retainer configured to engage with a suction valve assembly and retain the suction valve assembly within a chamber of a fluid section of a reciprocating pump. The retainer includes a pair of engagement arms extending along a single arm axis, and a connecting member including a coupling aperture. In addition, the valve retainer assembly includes a keeper that further includes a keeper axis, and a connecting shaft. The connecting shaft of the keeper is received within the coupling aperture such that the keeper axis extends in a direction that is perpendicular to the arm axis.
    Type: Application
    Filed: May 31, 2016
    Publication date: October 8, 2020
    Applicant: National Oilwell Varco, L.P.
    Inventors: Justin Wade ERWIN, Christopher Eugene ROBINSON, Daniel Alan SENECHAL