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:
Feb. 01, 2005
Filed:
Sep. 25, 2000
Applicant:
Manfred Jansch, Garbsen, DE;
Inventor:
Manfred Jansch, Garbsen, DE;
Assignee:
Weatherford/Lamb, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 1906 ;
U.S. Cl.
CPC ...
Abstract
A bushing for retaining a spider and comprising a basket portion having an opening in its upper end and a base at its lower end, there being a further opening in the base to allow a tubing string to extend substantially axially through the basket portion. The bushing further comprises a flange extending at least partially around the upper opening, wherein the bushing can be suspended through an opening in a rig floor to be supported by the flange.