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. 07, 2026
Filed:
Jun. 12, 2025
Applicant:
Vermeer Manufacturing Company, Pella, IA (US);
Inventors:
Jacob Richard Smith, Altoona, IA (US);
Michael David Langenfeld, Pella, IA (US);
Tyler J. Dorin, Pleasant Hill, IA (US);
Assignee:
Vermeer Manufacturing Company, Pella, IA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 7/04 (2006.01); E21B 7/20 (2006.01); E21B 10/42 (2006.01); E21B 10/62 (2006.01); F16L 1/028 (2006.01);
U.S. Cl.
CPC ...
E21B 7/046 (2013.01); E21B 7/205 (2013.01); E21B 10/42 (2013.01); E21B 10/62 (2013.01); F16L 1/028 (2013.01);
Abstract
A pullback device for connection with a rotary drill bit of a horizontal directional drill string. The pullback device includes an anchoring portion and a plurality of arms with ends configured to engage a plurality of corresponding engagement features of the rotary drill bit.