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:
Apr. 16, 2002
Filed:
Nov. 04, 1999
Applicant:
Inventor:
John A. Cimbura, Sr., Ventura, CA (US);
Assignee:
Kudu Industries, Inc., , CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J 1/518 ; E21B 3/303 ;
U.S. Cl.
CPC ...
F16J 1/518 ; E21B 3/303 ;
Abstract
The invention relates to downhole rotary pumping arrangements and more particularly to drivehead gimbals and seals used in the driveheads of downhole rotary pumps. The gimbal and seal system described enables the wobble of a rotating shaft to be absorbed without compromising the seal around the shaft.