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:
Nov. 04, 2025
Filed:
May. 13, 2024
Applicant:
TT Technologies, Inc., Aurora, IL (US);
Inventor:
John A. Olander, Clayton, WI (US);
Assignee:
TT Technologies, Inc., Aurora, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 41/00 (2006.01); E21B 7/04 (2006.01); E21B 19/16 (2006.01);
U.S. Cl.
CPC ...
E21B 41/00 (2013.01); E21B 7/04 (2013.01); E21B 19/16 (2013.01);
Abstract
A drill stem grease injector for a directional drill and associated methods are disclosed. Example drill stem grease injectors include a piston within an injection chamber, and a grease port in a side of the injection chamber, wherein grease port is configured to actuate before motion of the piston during an injection operation. Drill stem grease systems shown provide refill capabilities that reduce or eliminate a user's need to touch grease.