The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 21, 2010
Filed:
Feb. 29, 2008
Applicants:
Grant Pruitt, Fort Smith, AR (US);
Cris Braun, Leander, TX (US);
Inventors:
Grant Pruitt, Fort Smith, AR (US);
Cris Braun, Leander, TX (US);
Assignee:
Pruitt Group, Inc., Fort Smith, AR (US);
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/08 (2006.01); E21B 33/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to rotating heads for oil and gas wells and more particularly, to an improved rotating head that utilizes a dual rubber cartridge that fixedly attaches at least one rubber to an inner barrel for rotation with the inner barrel. The present invention further utilizes components to at least partially enclose fasteners to prevent removal of the fasteners during normal operation. By enclosing the fasteners, the present invention extends the life of the rotating head and reduces downtime caused by necessary maintenance of the rotating head.