Patent Assignment
Reel/Frame 015116/0524
Release of Security Interest in Patents
Recorded: 2004-03-18
Pages: 5
Assignor
CANADIAN IMPERIAL BANK OF COMMERCE
Executed: 2004-03-12
Assignee
DIAMOND PRODUCTS INTERNATIONAL, INC.
1507 4TH STREET, NQL DRILLING TOOLS, INC., NISKU, ALBERTA, T9E 7M9, CANADA
Covered Properties
(11)
Improved Bi-Center Bit and Method for Enhancing Stability
Patent:
5,678,644 →
Application:
08/515,536 →
Stabilizing Drill Bit
Patent:
5,803,196 →
Application:
08/655,988 →
Bi-Center Bit with Oppositely Disposed Cutting Surfaces
Patent:
5,992,548 →
Application:
08/955,147 →
Coring Tool
Patent:
6,009,960 →
Application:
09/014,116 →
Cutting Element
Patent:
6,068,072 →
Application:
09/021,012 →
Reduced Erosion Nozzle System and Method for the Use of Drill Bits to Reduce Erosion
Patent:
6,142,248 →
Application:
09/057,714 →
Cutting Element with Stress Reduction
Patent:
6,026,919 →
Application:
09/129,179 →
Stabilizing Drill Bit with Improved Cutting Elements
Patent:
5,979,577 →
Application:
09/149,196 →
Cutting Element with Stress Reduction
Patent:
6,315,067 →
Application:
09/391,033 →
Bi-Center Bit Adapted to Drill Casing Shoe
Cutting Element with Stress Reduction
Patent:
6,401,845 →
Application:
09/583,488 →
Related Assignments
(11)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 27, 1998
From: THIGPEN, GARY MICHAEL; FIELDER, COY M.; WESTON, BRAD
To: DIAMOND PRODUCTS INTERNATIONAL, INC.
Reel/Frame 010518/0622 →
Assignment of Assignor's Interest
Jul 2, 1999
From: DIAMOND PRODUCTS INTERNATIONAL, INC., A CORP. OF TEXAS
To: BANK ONE, TEXAS, N.A., A NATIONAL BANKING ASSOCIATION
Reel/Frame 010069/0623 →
Assignment of Assignor's Interest
Sep 7, 1999
From: FIELDER, COY
To: DIAMOND PRODUCTS INTERNATIONAL, INC.
Reel/Frame 010233/0574 →
Assignment of Assignor's Interest
Sep 8, 1999
From: FIELDER, COY M.; SILVA, ROGERIO H.
To: DIAMOND PRODUCTS INTERNATIONAL, INC.
Reel/Frame 010239/0021 →
Assignment of Assignor's Interest
Jan 10, 2000
From: FIELDER, COY M.
To: DIAMOND PRODUCTS INTERNATIONAL, INC.
Reel/Frame 014948/0094 →
Assignment of Assignor's Interest
May 31, 2000
From: FIELDER, COY M.
To: DIAMOND PRODUCTS INTERNATIONAL, INC.
Reel/Frame 010842/0198 →
Security Interest
Sep 12, 2003
From: DIAMOND PRODUCTS INTERNATIONAL, INC.
To: CANADIAN IMPERIAL BANK OF COMMERCE
Reel/Frame 014506/0416 →
Merger
May 5, 2005
From: DIAMOND PRODUCTS INTERNATIONAL, INC.
To: REEDHYCALOG, L.P.
Reel/Frame 015972/0543 →
Security Agreement
Jun 3, 2005
From: REEDHYCALOG, L.P.
To: WELLS FARGO BANK
Reel/Frame 016087/0681 →
Release of Patent Security Agreement
Sep 18, 2006
From: WELLS FARGO BANK
To: REED HYCALOG, UTAH, LLC.
Reel/Frame 018463/0103 →
Corrective Assignment to Correct the Receiving Parties Name, Previously Recorded on Reel 018463 Frame 0103.
Nov 7, 2006
From: WELLS FARGO BANK
To: REEDHYCALOG, L.P.
Reel/Frame 018490/0732 →