Covered Property (1)

Related Assignments (9)

Other recorded transfers of the patent in this record — the chain of ownership.

Change of Name Apr 21, 2006

From: PRECISION DRILLING TECHNOLOGY SERVICES GROUP INC.

To: PRECISION ENERGY SERVICES LTD.

Reel/Frame 017507/0063 →

Assignment of Assignor's Interest Apr 24, 2006

From: PRECISION ENERGY SERVICES LTD.

To: PRECISION ENERGY SERVICES ULC

Reel/Frame 017519/0043 →

Assignment of Assignor's Interest Apr 26, 2006

From: PRECISION ENERGY SERVICES ULC

To: WEATHERFORD CANADA PARTNERSHIP

Reel/Frame 017527/0191 →

Assignment of Assignor's Interest May 22, 2017

From: WEATHERFORD CANADA PARTNERSHIP

To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC

Reel/Frame 042457/0086 →

Security Interest Dec 18, 2019

From: WEATHERFORD TECHNOLOGY HOLDINGS LLC; WEATHERFORD NETHERLANDS B.V.; WEATHERFORD NORGE AS; HIGH PRESSURE INTEGRITY INC.

To: WELLS FARGO BANK NATIONAL ASSOCIATION AS AGENT

Reel/Frame 051891/0089 →

Security Interest Dec 26, 2019

From: WEATHERFORD TECHNOLOGY HOLDINGS, LLC; WEATHERFORD NETHERLANDS B.V.; WEATHERFORD NORGE AS; HIGH PRESSURE INTEGRITY, INC.

To: DEUTSCHE BANK TRUST COMPANY AMERICAS, AS ADMINISTRATIVE AGENT

Reel/Frame 051419/0140 →

Security Interest Aug 28, 2020

From: WEATHERFORD TECHNOLOGY HOLDINGS, LLC; WEATHERFORD NETHERLANDS B.V.; WEATHERFORD NORGE AS; HIGH PRESSURE INTEGRITY, INC.

To: WILMINGTON TRUST, NATIONAL ASSOCIATION

Reel/Frame 054288/0302 →

Release of Security Interest Aug 28, 2020

From: WELLS FARGO BANK, NATIONAL ASSOCIATION

To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC; WEATHERFORD NETHERLANDS B.V.; WEATHERFORD NORGE AS; HIGH PRESSURE INTEGRITY, INC.

Reel/Frame 053838/0323 →

Patent Security Interest Assignment Agreement Apr 26, 2023

From: DEUTSCHE BANK TRUST COMPANY AMERICAS

To: WELLS FARGO BANK, NATIONAL ASSOCIATION

Reel/Frame 063470/0629 →