Patent Assignment
Reel/Frame 074850/0529
Security Interest
Recorded: 2026-06-04
Pages: 7
Assignor
WELL MASTER, LLC
Executed: 2026-06-01
Assignee
WESTERN-SOUTHERN LIFE ASSURANCE COMPANY
400 BROADWAY, MS-49, CINCINNATI, OHIO, 45202
Covered Properties
(19)
Gas Lift Plunger Arrangement
Wellhead Plunger Inspection Arrangement
Gas Lift Plunger Assembly Arrangement
Staging Tool Seal Arrangement for Gas Wells
Plunger for Performing Artificial Lift of Well Fluids
Gas Lift Plunger Acceleration Arrangement
Plunger for Performing Artificial Lift of Well Fluids
Plunger Lift Control System Arrangement
Dynamic Seal Pad Plunger Arrangement
Magnetic Installation and Retrieval Tool for Fluid Lift Plungers
Plunger Lift Arrangement
Bypass Plungers Including Force Dissipating Elements and Methods of Using the Same
Downhole Plunger with Spring-Biased Pads
Vortex Plunger Arrangement
Downhole Tool Movement Control System and Method of Use
Patent:
11,319,785 →
Application:
17/576,841 →
Enhanced Geometry Receiving Element for a Downhole Tool
Downhole Tool Movement Control System and Method of Use
Multi-Stage Downhole Tool Movement Control System and Method of Use
System and Method to Maintain Minimum Wellbore Lift Conditions Through Injection Gas Regulation
Related Assignments
(25)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 8, 2006
From: BENDER, ROBERT E.
To: WELL MASTER CORP
Reel/Frame 017558/0958 →
Assignment of Assignor's Interest
Mar 7, 2007
From: BENDER, ROBERT E.
To: WELL MASTER CORP
Reel/Frame 019072/0628 →
Assignment of Assignor's Interest
Nov 4, 2010
From: NADKRYNECHNY, RICK
To: T-RAM CANADA, INC.
Reel/Frame 025310/0269 →
Assignment of Assignor's Interest
Apr 20, 2012
From: SMITH, JESSE L.; GREEN, DAVID A.; BENDER, ROBERT E.
To: WELL MASTER CORP
Reel/Frame 028177/0146 →
Assignment of Assignor's Interest
May 31, 2013
From: NADKRYNECHNY, RICK
To: T-RAM CANADA, INC.
Reel/Frame 030527/0551 →
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
Dec 29, 2014
From: HIGHTOWER, K.; GREEN, D.; LONGFELLOW, N.; BENDER, R.
To: WELL MASTER CORP
Reel/Frame 034761/0891 →
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
Aug 16, 2017
From: NELSON, DANIEL J.; GREEN, DAVID; WIESE, STEPHEN
To: WELL MASTER CORPORATION
Reel/Frame 043309/0485 →
Change of Name
Oct 24, 2019
From: T-RAM CANADA INC.
To: T-RAM CANADA ULC
Reel/Frame 050814/0822 →
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 →
Assignment of Assignor's Interest
Jan 29, 2020
From: T-RAM CANADA, ULC
To: WELL MASTER CORPORATION
Reel/Frame 051652/0828 →
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 →
Change of Name
Apr 16, 2021
From: T-RAM CANADA ULC
To: WELL MASTER CANADA ULC
Reel/Frame 055953/0976 →
Assignment of Assignor's Interest
Aug 5, 2021
From: WELL MASTER CANADA ULC
To: WELL MASTER CORPORATION
Reel/Frame 057098/0187 →
Change of Name
Aug 20, 2021
From: T-RAM CANADA ULC
To: WELL MASTER CANADA ULC
Reel/Frame 057250/0428 →
Assignment of Assignor's Interest
Mar 28, 2022
From: GREEN, DAVID A.
To: WELL MASTER CORPORATION
Reel/Frame 059414/0113 →
Assignment of Assignor's Interest
Oct 3, 2022
From: SOUTHARD, MATTHEW J.; NELSON, DANIEL J.
To: WELL MASTER CORPORATION
Reel/Frame 061293/0953 →
Assignment of Assignor's Interest
Mar 24, 2026
From: GREEN, DAVID A.
To: WELL MASTER CORPORATION
Reel/Frame 074172/0493 →
Assignment of Assignor's Interest
Mar 24, 2026
From: WELL MASTER CORP
To: WELL MASTER CORPORATION
Reel/Frame 074172/0767 →
Change of Name
Mar 24, 2026
From: T-RAM CANADA, INC.
To: T-RAM CANADA, ULC
Reel/Frame 074173/0089 →
Assignment of Assignor's Interest
Mar 27, 2026
From: BENDER, ROBERT E.; GREEN, DAVID A.
To: WELL MASTER CORPORATION
Reel/Frame 074214/0683 →