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. 30, 1986
Filed:
Dec. 05, 1984
Applicant:
Inventor:
Roderick D McLeod, Edmonton, Alberta, CA;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21B / ;
U.S. Cl.
CPC ...
166 77 ; 166 80 ; 254 / ;
Abstract
An insertion drive system for a well head tree saver includes a pair of parallel, spaced beams, a lower one of which is attached to the tree. High pressure tubing is held by the upper beam and is inserted into or withdrawn from the tree by motor driven mechanical jack assemblies which lower or raise the upper beam relative to the lower beam. Manual operation of the jack assemblies is also provided.