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. 30, 2004
Filed:
Jun. 20, 2000
Applicant:
Inventor:
Edward James Cargill, Sherwood Park, CA;
Assignee:
Halliburton Energy Services, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 1/502 ; F16J 1/534 ;
U.S. Cl.
CPC ...
F16J 1/502 ; F16J 1/534 ;
Abstract
An improvement in a seal assembly of the type including a seal element retained by a seal housing, where one of the seal element and the seal housing is constructed from a compressible material, where the seal element includes a seal engagement surface and where the seal housing includes a housing engagement surface. The improvement includes at least one of the seal engagement surface and the housing engagement surface defining a depression for providing an isolated gap between the seal engagement surface and the housing engagement surface.