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. 31, 2017
Filed:
Oct. 03, 2012
Applicant:
Vermeer Manufacturing Company, Pella, IA (US);
Inventors:
Michael D. Van Zee, Pella, IA (US);
Clint M. Recker, Pella, IA (US);
Assignee:
Vermeer Manufacturing Company, Pella, IA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 21/12 (2006.01); E21B 7/20 (2006.01); E21B 15/04 (2006.01); E21B 7/02 (2006.01); E21B 17/18 (2006.01); E21B 4/20 (2006.01); E21B 3/02 (2006.01); E21B 7/04 (2006.01); E21B 21/02 (2006.01);
U.S. Cl.
CPC ...
E21B 21/12 (2013.01); E21B 3/02 (2013.01); E21B 4/20 (2013.01); E21B 7/02 (2013.01); E21B 7/046 (2013.01); E21B 7/20 (2013.01); E21B 15/04 (2013.01); E21B 15/045 (2013.01); E21B 17/18 (2013.01); E21B 21/02 (2013.01);
Abstract
The present disclosure provides a drilling machine configuration and related method that avoids drilling mud from contaminating hydraulic fluid that flows through the drive system of the machine. The disclosed system and method provides a drilling mud anti-contamination system that requires infrequent service and a system wherein the service can be quickly and easily performed.