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:
Jul. 10, 1979
Filed:
Oct. 31, 1977
Applicant:
Inventors:
Leon L Dickson, Jr, Houston, TX (US);
Early B Denison, Houston, TX (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B / ; B08B / ;
U.S. Cl.
CPC ...
1341 / ; 134172 ; 134199 ;
Abstract
A portable, hand-held cleaner for cleaning the box and pin ends of a joint of drill pipe using only high-pressure water. The cleaner includes a tubular housing having a plurality of spray nozzles disposed to create a swirling water jet that thoroughly cleans the threads and mating shoulders of the box and pin without requiring the use of solvents or mechanical means, such as brushes.