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:
Jan. 04, 2022
Filed:
Aug. 19, 2019
Applicant:
Pruitt Tool & Supply Co., Fort Smith, AR (US);
Inventors:
Grant Pruitt, Fort Smith, AR (US);
Cris Braun, Van Buren, AR (US);
Assignee:
PRUITT TOOL & SUPPLY CO., Fort Smith, AR (US);
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/08 (2006.01); E21B 33/04 (2006.01);
U.S. Cl.
CPC ...
E21B 33/085 (2013.01); E21B 33/04 (2013.01);
Abstract
The sealed grease head provides a grease compartment with no oiler or oil lines. The grease compartment is sealed by a top seal and a bottom seal that seals between the inner barrel and the outer barrel. The sealed grease head provides a bottom seal that seals the grease compartment. A rubber adapter secures the seal while also securing the rubber to the inner barrel.