Patent Assignment
Reel/Frame 074173/0089
Change of Name
Recorded: 2026-03-24
Pages: 3
Assignor
T-RAM CANADA, INC.
Executed: 2018-12-20
Assignee
T-RAM CANADA, ULC
SUITE2 – 10902 92 AVE, GRANDE PRAIRIE, T8V 6B5, CANADA
Covered Properties
(2)
Magnetic Installation and Retrieval Tool for Fluid Lift Plungers
Downhole Plunger with Spring-Biased Pads
Related Assignments
(9)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 22, 2014
From: WHIBBS, CAL; TOWNSEND, MURRAY RAY
To: NATIONAL OILWELL VARCO, L.P.
Reel/Frame 033788/0773 →
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
Oct 13, 2016
From: TOWNSEND, MURRAY R.
To: FOURTH DIMENSION DESIGNS LTD.
Reel/Frame 040006/0661 →
Assignment of Assignor's Interest
Jan 22, 2020
From: FOURTH DIMENSION DESIGNS LTD.
To: T-RAM CANADA, INC.
Reel/Frame 051582/0337 →
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 24, 2020
From: T-RAM CANADA, INC.
To: WELL MASTER CORPORATION
Reel/Frame 051605/0525 →
Corrective Assignment to Correct the Correct Assignor's Name Previously Recorded at Reel: 051605 Frame: 0525. Assignor(S) Hereby Confirms the Assignment.
Jan 29, 2020
From: T-RAM CANADA, ULC
To: WELL MASTER CORPORATION
Reel/Frame 051733/0381 →
Assignment of Assignor's Interest
Jan 29, 2020
From: T-RAM CANADA, ULC
To: WELL MASTER CORPORATION
Reel/Frame 051652/0828 →
Security Interest
Jun 4, 2026
From: WELL MASTER, LLC
To: WESTERN-SOUTHERN LIFE ASSURANCE COMPANY
Reel/Frame 074850/0529 →