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:
Apr. 18, 2017
Filed:
Nov. 30, 2011
Applicants:
Randy R. Runquist, Knoxville, IA (US);
Keith Allen Hoelting, Dallas, IA (US);
Chris Fontana, Pella, IA (US);
Inventors:
Randy R. Runquist, Knoxville, IA (US);
Keith Allen Hoelting, Dallas, IA (US);
Chris Fontana, Pella, IA (US);
Assignee:
Vermeer Manufacturing Company, Pella, IA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 10/08 (2006.01); E21B 10/54 (2006.01); E21B 10/62 (2006.01); B05D 1/32 (2006.01);
U.S. Cl.
CPC ...
E21B 10/08 (2013.01); B05D 1/32 (2013.01); E21B 10/54 (2013.01); E21B 10/62 (2013.01);
Abstract
Bits configured for drilling rock that are of the type that includes a plurality of teeth supported in pockets that are on a cutting face that is driven to rotate. The pockets are configured to allow the teeth to passively rotate while in the pockets. The present disclosure provides a bit having hardfacing around the pockets and related methods.