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:
Mar. 18, 2008
Filed:
Aug. 24, 2005
Applicant:
Zbigniew Kubala, Beach Park, IL (US);
Inventor:
Zbigniew Kubala, Beach Park, IL (US);
Assignee:
Deublin Company, Waukegan, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/02 (2006.01); F16J 15/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
A coupling seal assembly is described for directing a pressurized abrasive fluid between a non-rotating conduit member and a rotating second conduit member. The seal assembly includes a first ceramic floating seal member secured to the non-rotating conduit member and a second ceramic seal member secured to the rotating conduit member. Enhanced service life of the seal assembly under high pressures and high rotary speeds is achieved.