Patent Assignment
Reel/Frame 037122/0056
Assignment of Assignor's Interest
Recorded: 2015-11-23
Pages: 5
Assignor
JOHNSON, ORREN
Executed: 2015-11-09
Assignee
WENZEL DOWNHOLE TOOLS LTD.
3115 - 93 STREET N.W., EDMONTON, T6N 1L7, CANADA
Covered Property
(1)
Hydraulic Jar with Multiple High Pressure Chambers
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Apr 11, 2019
From: WENZEL DOWNHOLE TOOLS LTD.
To: WENZEL DOWNHOLE TOOLS ULC
Reel/Frame 048860/0262 →
Security Interest
Oct 28, 2022
From: WENZEL DOWNHOLE TOOLS ULC
To: CALLODINE COMMERCIAL FINANCE, LLC, AS ADMINISTRATIVE AGENT
Reel/Frame 061583/0532 →
Security Interest
May 21, 2026
From: BASIN ENERGY LLC; BLACK DIAMOND OILFIELD RENTALS LLC; BASIN MANAGEMENT LLC; WENZEL US LLC
To: CHILDS, JOHN W.; JOHN W. CHILDS 2021 B-H CHARITABLE REMAINDER TRUST
Reel/Frame 075630/0673 →