IP Library Assignment 065691/0862
Patent Assignment
Reel/Frame 065691/0862

Merger

Recorded: 2023-11-28 Pages: 24
Assignor
DRECO ENERGY SERVICES ULC
Executed: 2021-01-01
Assignee
NOV CANADA ULC
4300 BANKERS HALL WEST, 888 - 3RD STREET S.W., CALGARY, ALBERTA, T2P 5C5, CANADA
Covered Property (1)
Drive Shaft Assembly for a Downhole Motor
Patent: 8,033,917 →
Application: 12/336,242 →
Publication: US 2009/0275415
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 16, 2008
From: PRILL, JONATHAN RYAN; VOGHELL, MARK LOUIS
To: DRECO ENERGY SERVICES LTD.
Reel/Frame 021989/0824 →
Change of Name Aug 17, 2023
From: DRECO ENERGY SERVICES LTD.
To: DRECO ENERGY SERVICES ULC
Reel/Frame 064625/0727 →