Patents by Inventor Christopher Lee Cackler

Christopher Lee Cackler 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).

  • Self-Aligning Rod Seal
    Publication number: 20120058000
    Abstract: A seal assembly for providing a seal around a non-stationary rod includes a seal housing with a hollow body with first and second ends. The first end has a first opening to allow the non-stationary rod to pass therethrough and the second end has a second opening to allow the non-stationary rod to pass therethrough. A seal cartridge is disposed within the seal housing and radially moveable within the seal housing. A rod seal is disposed in an internal diameter of the seal cartridge.
    Type: Application
    Filed: September 6, 2010
    Publication date: March 8, 2012
    Applicant: NATIONAL OILWELL VARCO, L.P.
    Inventors: Russell Alan Rogers, Christopher Lee Cackler