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. 18, 2022
Filed:
Jun. 05, 2020
Applicant:
Vermeer Manufacturing Company, Pella, IA (US);
Inventors:
Edward Lee Cutler, Bloomfield, IA (US);
Tyler Clayton Walsh, Oskaloosa, IA (US);
Assignee:
Vermeer Manufacturing Company, Pella, IA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 7/04 (2006.01); E21B 19/083 (2006.01); E21B 44/02 (2006.01); E21B 3/02 (2006.01); F16H 19/04 (2006.01); E21B 7/28 (2006.01); E21B 7/02 (2006.01);
U.S. Cl.
CPC ...
E21B 19/083 (2013.01); E21B 3/02 (2013.01); E21B 7/046 (2013.01); E21B 7/28 (2013.01); E21B 44/02 (2013.01); F16H 19/04 (2013.01); E21B 7/021 (2013.01);
Abstract
A drilling machine has a hybrid thrust/pull back system. The hybrid thrust/pull-back system includes at least two different types of drive mechanisms that can be operated concurrently or independently depending upon an operating state of the drilling machine.