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:
Dec. 08, 1981
Filed:
Mar. 17, 1980
Applicant:
Inventor:
Faustyn C Langowski, Georgetown, TX (US);
Assignee:
BJ-Hughes Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66C / ;
U.S. Cl.
CPC ...
294106 ; 414 22 ;
Abstract
A pipe gripping head especially suitable for use with pipe handling apparatus in earth drilling operations. The pipe gripping head includes a pair of jaws operably pivotable between an open and a closed locked position which does not rely on pneumatic or hydraulic pressure to maintain the jaws in the closed position.