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:
May. 10, 1983
Filed:
Sep. 30, 1980
Applicant:
Inventors:
C W Minnis, Forth Worth, TX (US);
Hubert A Hawkins, Forth Worth, TX (US);
Wendell Davis, Forth Worth, TX (US);
Assignee:
Ingram Corporation, New Orleans, LA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
269156 ; 269238 ; 414 22 ; 414745 ;
Abstract
Clamps are provided for clamping a length of pipe to the trough of a pipe handling apparatus. The clamps comprise two arms pivotally coupled to the trough on opposite sides thereof. The arms are movable to open and closed positions by two piston rods pivotally coupled to the arms and which are actuated by two cylinders pivotally coupled to the trough on opposite sides.