Patent Assignment
Reel/Frame 037290/0889
Assignment of Assignor's Interest
Recorded: 2015-12-15
Pages: 8
Assignee
CLEARWATER INTERNATIONAL LLC
2000 ST. JAMES PLACE, HOUSTON, TEXAS, 77056
Covered Properties
(2)
Hydraulic Diversion Systems to Enhance Matrix Treatments and Methods for Using Same
Hydraulic Diversion Systems to Enhance Matrix Treatments and Methods for Using Same
Application:
61/814,071 →
Related Assignments
(4)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 9, 2015
From: CLEARWATER INTERNATIONAL, L.L.C.
To: LUBRIZOL OILFIELD SOLUTIONS, INC.
Reel/Frame 036822/0379 →
Assignment of Assignor's Interest
Dec 15, 2015
From: VAN PETEGEM, RONALD; ZURITA, ALFREDO MENDEZ; SMITH, KERN L.; DUNCAN, ANDREW
To: CLEARWATER INTERNATIONAL LLC
Reel/Frame 037291/0526 →
Assignment of Assignor's Interest
May 15, 2017
From: DUNCAN, ANDREW; ZURITA, ALFREDO MENDEZ; SMITH, KERN L.; VAN PETEGEM, RONLAD
To: CLEARWATER INTERNATIONAL LLC
Reel/Frame 042377/0256 →
Assignment of Assignor's Interest
Aug 11, 2017
From: LUBRIZOL OILFIELD SOLUTIONS, INC.
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
Reel/Frame 043265/0755 →