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:
Nov. 17, 2015
Filed:
Feb. 08, 2013
Applicant:
David Stuart Cramer, Okotoks, CA;
Inventor:
David Stuart Cramer, Okotoks, CA;
Assignee:
GENERAL DOWNHOLE TECHNOLOGIES, LTD., Calgary, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/07 (2006.01); E21B 47/01 (2012.01); F16F 7/00 (2006.01);
U.S. Cl.
CPC ...
E21B 47/011 (2013.01); E21B 17/07 (2013.01); F16F 7/00 (2013.01);
Abstract
A snubber for reducing shock and vibration in down hole tools includes a housing having an axis and a chamber. A piston is mounted in the chamber for axial movement therein. The piston includes a shaft extending therefrom to an exterior of the housing. An axial spring element is mounted between the piston and the housing. Both the piston and the chamber include non-cylindrical portions.