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. 22, 1981
Filed:
Aug. 03, 1979
Applicant:
Inventors:
Reynaldo Calderon, Houston, TX (US);
Billy H Towell, Houston, TX (US);
Assignee:
Texaco Inc., White Plains, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
F16D / ; E21B / ; E21B / ; B01D / ;
U.S. Cl.
CPC ...
64 / ; 64 23 ; 166233 ; 166311 ; 166104 ; 210415 ;
Abstract
A new torque drive mechanism is disclosed between a reversible rotatable square bar means for rotating a washer while providing free longitudinal movement of the square rod in the washer, and for providing free passage of liquid therebetween the bar and the washer.