IP Library › Granted Patent US 971,969
Granted Patent S1
US 971,969 · App. 29/682,329 · Granted Dec 6, 2022

Oilfield frac pump

Inventors: Roy Aune (Denver, CO); Jeffrey Brian Rother (Oklahoma City, OK); Kevin Thomas Hufnagel (Oklahoma City, OK)
Assignee: LIBERTY OILFIELD SERVICES LLC
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Quick Facts
Patent No.
US 971,969
App. No.
29/682,329
Granted
Dec 6, 2022
Kind
S1
Claims (1)

The ornamental design for an oilfield frac pump, as shown and described.

Assignments (4)
CHANGE OF NAME Recorded Jan 13, 2025
From: LIBERTY OILFIELD SERVICES LLC
To: LIBERTY ENERGY SERVICES LLC
Reel/Frame 069881/0664 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 19, 2021
From: AUNE, ROY
To: LIBERTY OILFIELD SERVICES LLC
Reel/Frame 055648/0739 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 19, 2021
From: ROTHER, JEFFREY BRIAN; HUFNAGEL, KEVIN THOMAS
To: UE MANUFACTURING LLC
Reel/Frame 055648/0943 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 19, 2021
From: UE MANUFACTURING, LLC
To: LIBERTY OILFIELD SERVICES, LLC
Reel/Frame 055663/0124 →
Continuity (1)
Continuation 29612888 · Aug 4, 2017