Patent Assignment
Reel/Frame 009375/0719
Change of Name
Recorded: 1998-08-14
Pages: 3
Assignor
M-I DRILLING FLUIDS L.L.C., A DELAWARE LIMITED LIABILITY COMPANY
Executed: 1997-07-25
Assignee
M-I L.L.C., A DELAWARE LIMITED LIABILITY COMPANY
P.O. BOX 42842, SUITE 856, HOUSTON, TEXAS, 77242
Covered Properties
(7)
Method of Rock Decontamination
Patent:
5,401,320 →
Application:
08/164,193 →
Aqueous Based Drilling Fluid Additive and Composition
Patent:
5,639,715 →
Application:
08/217,432 →
Well Drilling Process and Clay Stabilizing Agent
Patent:
5,558,171 →
Application:
08/232,386 →
Intrinsically Safe Data Acquisition System and Apparatus
Patent:
5,583,764 →
Application:
08/325,009 →
Water-Based Drilling Fluids for Reduction of Water Adsorption and Hydration of Argillaceous Rocks
Patent:
5,635,458 →
Application:
08/397,436 →
Silicone Oil-Based Drilling Fluids
Patent:
5,707,939 →
Application:
08/531,706 →
Silicone Based Fluids for Drilling Applications
Patent:
5,712,228 →
Application:
08/531,708 →
Related Assignments
(12)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 9, 1993
From: STAPLES, TONY P.
To: BAKER HUGHES INCORPORATED
Reel/Frame 006795/0987 →
Assignment of Assignor's Interest
Mar 24, 1994
From: PATEL, ARVIND D.
To: M-I DRILLING FLUIDS COMPANY
Reel/Frame 006938/0086 →
Assignment of Assignor's Interest
Apr 25, 1994
From: MCGLOTHLIN, RAYMOND E.; WOODWORTH, FRANK B.
To: R&F INDUSTRIES, INC.
Reel/Frame 006977/0322 →
Assignment of Assignor's Interest
Feb 13, 1995
From: NAIL, GEORGE MICHAEL; BUKHARD, ALAN; WEDEKIND, JEFFREY
To: M-I DRILLING FLUIDS, L.L.C.
Reel/Frame 007321/0824 →
Assignment of Assignor's Interest
Mar 1, 1995
From: LEE, LI-JEIN JOHN
To: M-I DRILLING FLUIDS L.L.C.
Reel/Frame 007370/0596 →
Assignment of Assignor's Interest
Mar 13, 1995
From: R & F INDUSTRIES, INC.
To: M-I DRILLING FLUIDS L.L.C.
Reel/Frame 007420/0210 →
Assignment of Assignor's Interest
Apr 27, 1995
From: BAKER HUGHES INCORPORATED
To: M-I DRILLING FLUIDS L.L.C.
Reel/Frame 007443/0797 →
Corrective Assignment to Correct Assignor's Name. an Assignment Was Previously Recorded at Reel 7321, Frames 824-827.
Apr 27, 1995
From: NAIL, GEORGE MICHAEL; BURKHARD, ALAN; WEDEKIND, JEFFREY
To: M-I DRILLING FLUIDS, L.L.C.
Reel/Frame 007441/0609 →
Assignment of Assignor's Interest
Sep 21, 1995
From: PATEL, ARVIND D.
To: M-I DRILLING FLUIDS L.L.C.
Reel/Frame 007693/0333 →
Assignment of Assignor's Interest
Sep 21, 1995
From: PATEL, ARVIND
To: M-I DRILLING FLUIDS, L.L.C.
Reel/Frame 007693/0203 →
Assignment of Assignor's Interest
Oct 26, 2010
From: M-I HOLDINGS L.L.C.
To: M-I L.L.C.
Reel/Frame 025192/0491 →
Change of Name
Oct 26, 2010
From: M-I L.L.C.
To: M-I HOLDINGS L.L.C.
Reel/Frame 025192/0511 →