Patents by Inventor Bob DePont

Bob DePont 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).

  • Wellbore rig elevator systems
    Patent number: 7303021
    Abstract: An elevator having, in at least certain aspects, an elevator body with two opposed ends and an elevator opening in the body, a door pivotably mounted to the body for selectively closing off the elevator opening, a lock bar on the elevator body, door latch apparatus on the door including a movable member to selectively and releasably hold the lockbar, and locking apparatus for selectively locking the door in position; and, in certain aspects, verification apparatus for maintaining the locking apparatus in position.
    Type: Grant
    Filed: September 20, 2005
    Date of Patent: December 4, 2007
    Assignee: Varco I/P, Inc.
    Inventors: Mike Schats, Bob DePont, Pieter Dekker, Anton Krijnen
  • Wellbore rig elevator systems
    Publication number: 20070062705
    Abstract: An elevator having, in at least certain aspects, an elevator body with two opposed ends and an elevator opening in the body, a door pivotably mounted to the body for selectively closing off the elevator opening, a lock bar on the elevator body, door latch apparatus on the door including a movable member to selectively and releasably hold the lockbar, and locking apparatus for selectively locking the door in position; and, in certain aspects, verification apparatus for maintaining the locking apparatus in position.
    Type: Application
    Filed: September 20, 2005
    Publication date: March 22, 2007
    Inventors: Mike Schats, Bob DePont, Pieter Dekker, Anton Krijnen
  • Support link for wellbore apparatus
    Publication number: 20070062688
    Abstract: A link for supporting a wellbore apparatus, the link in one aspect, having a link body with a first end spaced-apart from a second end, a handle on the first end.
    Type: Application
    Filed: September 20, 2005
    Publication date: March 22, 2007
    Inventors: Mike Schats, Bob DePont, Pieter Dekker, Anton Drijnen
  • Handle
    Patent number: D533432
    Type: Grant
    Filed: September 20, 2005
    Date of Patent: December 12, 2006
    Assignee: Varco I/P, Inc.
    Inventors: Mike Schats, Bob DePont, Pieter Dekker, Anton Krijnen