IP Library › Assignment 015800/0988
Patent Assignment
Reel/Frame 015800/0988

Assignment of Assignor's Interest

Recorded: 2005-03-21 Pages: 3
Assignor
HALLMAN, JOHN
Executed: 2005-02-10
Assignee
CLEARWATER INTERNATIONAL, L.L.C.
515 POST OAK BLVD., SUITE 600, HOUSTON, TEXAS, 77027
Covered Property (1)
Method of Heating a Fluid Using a Line Heater Comprising an Alkali Metal Formate
Patent: 6,893,582 →
Application: 09/788,115 →
Publication: US 2002/0003223
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 16, 2001
From: SMITH, KEVIN W.; ACOR, LORI; MILLER, JOSEPH
To: CLEARWATER, INC.
Reel/Frame 011559/0606 →
Assignment of Assignor's Interest Nov 6, 2002
From: CLEARWATER, INC.
To: CLEARWATER INTERNATIONAL, L.L.C.
Reel/Frame 013463/0702 →
Assignment of Assignor's Interest Oct 9, 2015
From: CLEARWATER INTERNATIONAL, L.L.C.
To: LUBRIZOL OILFIELD SOLUTIONS, INC.
Reel/Frame 036822/0379 →