IP Library › Assignment 033788/0773
Patent Assignment
Reel/Frame 033788/0773

Assignment of Assignor's Interest

Recorded: 2014-09-22 Pages: 5
Assignors
WHIBBS, CAL
Executed: 2012-03-06
TOWNSEND, MURRAY RAY
Executed: 2012-03-02
Assignee
NATIONAL OILWELL VARCO, L.P.
7909 PARKWOOD CIRCLE DRIVE, HOUSTON, TEXAS, 77036
Covered Property (1)
Magnetic Installation and Retrieval Tool for Fluid Lift Plungers
Patent: 9,308,608 →
Application: 14/383,722 →
Publication: US 2015/0020381
Related Assignments (5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 24, 2014
From: NATIONAL OILWELL VARCO, L.P.
To: FOURTH DIMENSION DESIGNS LTD.
Reel/Frame 033802/0744 →
Assignment of Assignor's Interest Jan 24, 2020
From: FOURTH DIMENSION DESIGNS LTD.
To: T-RAM CANADA, INC.
Reel/Frame 051606/0264 →
Assignment of Assignor's Interest Jan 29, 2020
From: T-RAM CANADA, ULC
To: WELL MASTER CORPORATION
Reel/Frame 051652/0828 →
Change of Name Mar 24, 2026
From: T-RAM CANADA, INC.
To: T-RAM CANADA, ULC
Reel/Frame 074173/0089 →
Security Interest Jun 4, 2026
From: WELL MASTER, LLC
To: WESTERN-SOUTHERN LIFE ASSURANCE COMPANY
Reel/Frame 074850/0529 →