Covered Property (1)

Related Assignments (8)

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

Assignment of Assignor's Interest Aug 30, 2018

From: CLEARWATER INTERNATIONAL, LLC

To: LUBRIZOL OILFIELD SOLUTIONS, INC.

Reel/Frame 046986/0552 →

Assignment of Assignor's Interest Aug 30, 2018

From: SAINI, RAJESH K.; VIGDERMAN, LEONID

To: LUBRIZOL OILFIELD SOLUTIONS, INC.

Reel/Frame 046755/0471 →

Assignment of Assignor's Interest Aug 30, 2018

From: DUNCAN, ANDREW; ZURITA, ALFREDO MENDEZ; SMITH, KERN L.; VAN PETEGEM, RONALD

To: CLEARWATER INTERNATIONAL, LLC

Reel/Frame 046755/0316 →

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 →