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. 09, 2000
Filed:
Apr. 30, 1998
Applicant:
Inventor:
John E Goode, Arlington, TX (US);
Assignee:
Hydra Rig, Inc., Ft. Worth, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166 773 ; 7466 / ; 7466 / ;
Abstract
A coiled tubing injector has a transmission with reduction gear trains having two rotary power outputs for driving each of the injector's two chains, and one or more rotary power inputs located on the same side of the transmission as the rotary drive outputs.