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:
Oct. 24, 2023
Filed:
May. 25, 2022
Applicant:
Twin Disc, Inc., Racine, WI (US);
Inventor:
Edwin E. Wilson, Colleyville, TX (US);
Assignee:
Twin Disc, Inc., Racine, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/26 (2006.01); F04B 17/03 (2006.01); F04D 13/12 (2006.01);
U.S. Cl.
CPC ...
E21B 43/2607 (2020.05); E21B 43/26 (2013.01); F04B 17/03 (2013.01); F04D 13/12 (2013.01);
Abstract
An electrically driven oilfield pumping system may include a compound electro-hydraulic fracturing (frac) pump system that has a primary electric motor that selectively delivers power to one or more of at least two fracturing (frac) pumps. The primary electric motor may be a constant speed alternative current (AC) motor with a fixed rated speed.