IP Library › Assignment 038357/0090
Patent Assignment
Reel/Frame 038357/0090

Change of Name

Recorded: 2016-04-22 Pages: 5
Assignor
DRECO ENERGY SERVICES LTD.
Executed: 2010-10-23
Assignee
DRECO ENERGY SERVICES ULC
2900 MANULIFE PLACE, 10180-101 STREET, EDMONTON, ALBERTA, T5J 3V5, CANADA
Covered Property (1)
Mechanism For Providing Controllable Angular Orientation While Transmitting Torsional Load
Patent: 9,518,428 →
Application: 13/933,087 →
Publication: US 2013/0284516
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 22, 2016
From: MARCHAND, NICHOLAS RYAN; PRILL, JONATHAN RYAN
To: DRECO ENERGY SERVICES LTD.
Reel/Frame 038351/0046 →
Merger and Change of Name Aug 17, 2023
From: DRECO ENERGY SERVICES ULC; NOV CANADA ULC
To: NOV CANADA ULC
Reel/Frame 064630/0306 →