Oilfield frac pump
Latest LIBERTY OILFIELD SERVICES LLC Patents:
Description
The broken lines show portions of an oilfield frac pump that form no part of the claimed design.
Claims
The ornamental design for an oilfield frac pump, as shown and described.
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Patent History
Patent number: D971969
Type: Grant
Filed: Mar 4, 2019
Date of Patent: Dec 6, 2022
Assignee: LIBERTY OILFIELD SERVICES LLC (Denver, CO)
Inventors: Roy Aune (Denver, CO), Jeffrey Brian Rother (Oklahoma City, OK), Kevin Thomas Hufnagel (Oklahoma City, OK)
Primary Examiner: Michael C Stout
Assistant Examiner: Fritzgerald L Butac
Application Number: 29/682,329
Type: Grant
Filed: Mar 4, 2019
Date of Patent: Dec 6, 2022
Assignee: LIBERTY OILFIELD SERVICES LLC (Denver, CO)
Inventors: Roy Aune (Denver, CO), Jeffrey Brian Rother (Oklahoma City, OK), Kevin Thomas Hufnagel (Oklahoma City, OK)
Primary Examiner: Michael C Stout
Assistant Examiner: Fritzgerald L Butac
Application Number: 29/682,329
Classifications
Current U.S. Class:
Drilling, Mining, Or Soil Treatment (includes Element) (D15/21)