Patents by Inventor Leonard J. Vogel

Leonard J. Vogel 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: 9382774
    Abstract: A low-profile wellhead system having a nested hanger configuration, annular communication, elastomeric seals, and seal verification is provided.
    Type: Grant
    Filed: April 8, 2010
    Date of Patent: July 5, 2016
    Assignee: Cameron International Corporation
    Inventors: Leonard J. Vogel, Michael Larkin, Kirk P. Guidry, Delbert E. Vanderford
  • Patent number: 9133841
    Abstract: Progressing cavity devices and systems are provided. In one embodiment, a system includes a metal stator of a progressing cavity device. The metal stator includes metal plates with apertures that are rotationally offset to form a winding rotor cavity. At least one of the apertures that form the winding rotor cavity has an elongated profile with enlarged ends having widths greater than that across the middle of the at least one aperture. Additional systems, devices, and methods are also disclosed.
    Type: Grant
    Filed: April 11, 2013
    Date of Patent: September 15, 2015
    Assignee: Cameron International Corporation
    Inventors: Derek L. Twidale, Majid S. Delpassand, Leonard J. Vogel, Allen T. Le
  • Publication number: 20140308145
    Abstract: Progressing cavity devices and systems are provided. In one embodiment, a system includes a metal stator of a progressing cavity device. The metal stator includes metal plates with apertures that are rotationally offset to form a winding rotor cavity. At least one of the apertures that form the winding rotor cavity has an elongated profile with enlarged ends having widths greater than that across the middle of the at least one aperture. Additional systems, devices, and methods are also disclosed.
    Type: Application
    Filed: April 11, 2013
    Publication date: October 16, 2014
    Inventors: Derek L. Twidale, Majid S. Delpassand, Leonard J. Vogel, Allen T. Le
  • Publication number: 20120012302
    Abstract: A low-profile wellhead system having a nested hanger configuration, annular communication, elastomeric seals, and seal verification is provided.
    Type: Application
    Filed: April 8, 2010
    Publication date: January 19, 2012
    Applicant: CAMERON INTERNATIONAL CORPORATION
    Inventors: Leonard J. Vogel, Michael Larkin, Kirk P. Guidry, Delbert E. Vanderford