IP Library › Assignment 058518/0106
Patent Assignment
Reel/Frame 058518/0106

Merger

Recorded: 2021-11-11 Pages: 25
Assignor
VARCO CANADA ULC
Executed: 2021-01-01
Assignee
NOV CANADA ULC
4300 BANKERS HALL WEST, 888 - 3RD STREET S.W., CALGARY, ALBERTA, T2P 5C5, 16256025, CANADA
Covered Property (1)
Systems, Apparatuses, and Methods for Treating Drilling Fluid
Application: 16/256,025 →
Publication: US 2019/0153794
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 24, 2019
From: ZAZULA, RENNIE K.; BIRD, DEAN M.; CROSSWHITE, DONALD T.
To: NATIONAL OILWELL VARCO CANADA ULC
Reel/Frame 048120/0100 →
Corrective Assignment to Correct the Assignee's Name Previously Recorded at Reel: 048120 Frame: 0100. Assignor(S) Hereby Confirms the Assignment. Nov 17, 2020
From: ZAZULA, RENNIE K.; BIRD, DEAN M.; CROSSWHITE, DONALD T.
To: VARCO CANADA ULC
Reel/Frame 054451/0314 →
Merger Nov 11, 2021
From: DRECO ENERGY SERVICES ULC
To: NOV CANADA ULC
Reel/Frame 058838/0015 →