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.

Date of Patent:
Jun. 30, 2015

Filed:

Aug. 14, 2012
Applicants:

Greg Wiedmer, Kenmare, ND (US);

Thomas Edwin Mau, Kenmare, ND (US);

Robert Eugene Mau, Kenmare, ND (US);

Inventors:

Greg Wiedmer, Kenmare, ND (US);

Thomas Edwin Mau, Kenmare, ND (US);

Robert Eugene Mau, Kenmare, ND (US);

Assignee:

MW INDUSTRIES, INC., Kenmare, ND (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66C 23/06 (2006.01); B66C 23/62 (2006.01); E04H 12/34 (2006.01); E04H 12/00 (2006.01); E21B 15/00 (2006.01); E21B 7/02 (2006.01); B66C 23/70 (2006.01); E04H 12/18 (2006.01);
U.S. Cl.
CPC ...
E21B 15/00 (2013.01); B66C 23/705 (2013.01); B66C 23/701 (2013.01); E04H 12/182 (2013.01); B66C 23/707 (2013.01); E21B 7/023 (2013.01);
Abstract

A reinforced workover rig mast () is disclosed. A top section () of the mast () telescopes relative to a mid section (), and includes a scoping cylinder area () for receiving a scoping cylinder () that may be used to extend and retract the top section (). A number of external gussets () are located within this scoping cylinder area () to structurally reinforce the upper section (). Other reinforcement features are incorporated by the mast () as well, including an increased width and depth, along with a reduced vertical spacing between adjacent cross supports ().


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