Patent Assignment
Reel/Frame 023348/0522
Assignment of Assignor's Interest
Recorded: 2009-10-09
Pages: 4
Assignor
PARTICLE DRILLING TECHNOLOGIES, INC.
Executed: 2009-10-09
Assignee
PDTI HOLDINGS, LLC
5611 BAIRD COURT, HOUSTON, TEXAS, 77041
Covered Properties
(23)
Formation Cutting Method and System
Patent:
6,386,300 →
Application:
09/665,586 →
Formation Cutting Method and System
Method, System, and Apparatus of Cutting Earthen Formations and the like
Application:
10/558,181 →
Publication:
US 2008/0156545
Drill Bit
Impact Excavation System and Method
Impact Excavation System and Method with Suspension Flow Control
Impact Excavation System and Method with Particle Trap
Impact Excavation System and Method with Particle Separation
Impact Excavation System and Method with Improved Nozzle
Impact Excavation System and Method with Two-Stage Inductor
Impact Excavation System and Method with Injection System
Impact Excavation System and Method with Suspension Flow Control
Apparatus for Injecting Impactors into a Fluid Stream Using a Screw Extruder
Impact excavation system and method with particle separation
Application:
11/801,268 →
Publication:
US 2009/0200080
Impact Excavation System and Method with Suspension Flow Control
Application:
12/033,829 →
Publication:
US 2008/0196944
Impact Excavation System And Method With Particle Separation
Application:
12/120,763 →
Publication:
US 2008/0210472
Impact Excavation System and Method with Injection System
Injection System And Method
Application:
12/172,760 →
Publication:
US 2009/0038856
Injection System and Method Comprising an Impactor Motive Device
Method and System for Controlling Force in a Down-Hole Drilling Operation
Methods of Using a Particle Impact Drilling System for Removing Near-Borehole Damage, Milling Objects in a Wellbore, Under Reaming, Coring, Perforating, Assisting Annular Flow, and Associated Methods
Impact Excavation System and Method Using a Drill Bit with Junk Slots
Shot Blocking Using Drilling Mud
Related Assignments
(25)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 19, 2000
From: CURLETT, HARRY BAILEY; SHARP, DAVID PAUL; GREGORY, MARVIN ALLEN
To: CURLETT FAMILY LIMITED PARTNERSHIP
Reel/Frame 011101/0211 →
Assignment and Assumption Agreement
Jun 30, 2003
From: CURLETT FAMILY LIMITED PARTNERSHIP LTD.
To: PRODRIL ACQUISITION COMPANY
Reel/Frame 014215/0152 →
Assignment of Assignor's Interest
Aug 23, 2004
From: TIBBITTS, GORDON A.; PADGETT, PAUL O.; CURLETT, HARRY B.; HARDER, NATHAN J.
To: PARTICLE DRILLING, INC.
Reel/Frame 015707/0028 →
Assignment of Assignor's Interest
Sep 7, 2004
From: TIBBITTS, GORDON
To: PARTICLE DRILLING, INC.
Reel/Frame 015758/0801 →
Assignment of Assignor's Interest
Jul 25, 2005
From: CURLETT, HARRY BAILEY; SHARP, DAVID PAUL; GREGORY, MARVIN ALLEN
To: CURLETT FAMILY LIMITED PARTNERSHIP
Reel/Frame 016570/0443 →
Assignment of Assignor's Interest
Sep 29, 2005
From: TIBBITTS, GORDON ALLEN
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 016613/0660 →
Assignment of Assignor's Interest
Sep 29, 2005
From: TIBBITTS, GORDON ALLEN
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 016613/0723 →
Assignment of Assignor's Interest
Oct 10, 2005
From: TIBBITTS, GORDON ALLEN
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 016628/0771 →
Assignment of Assignor's Interest
Jun 8, 2006
From: TIBBITTS, GORDON ALLEN
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 017744/0745 →
Assignment of Assignor's Interest
Jan 12, 2007
From: TIBBITTS, GORDON ALLEN
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 018750/0701 →
Merger
Sep 14, 2007
From: PARTICLE DRILLING, INC.
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 019825/0116 →
Assignment of Assignor's Interest
Jan 22, 2008
From: VUYK, ADRIAN, JR.; TERRY, JIM B.; TIBBITTS, GORDON ALLEN; HARDER, NATHAN J.
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 020395/0508 →
Assignment of Assignor's Interest
Apr 22, 2008
From: HARDER, NATHAN J; PADGETT, PAUL O
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 020838/0729 →
Merger
Apr 25, 2008
From: PARTICLE DRILLING, INC.
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 020856/0524 →
Assignment of Assignor's Interest
Apr 25, 2008
From: TIBBITTS, GORDON A.; GALLOWAY, GREG; VUYK, ADRIAN, JR.; PADGETT, PAUL O.
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 020854/0597 →
Assignment and Assumption Agreement
Apr 25, 2008
From: CURLETT FAMILY LIMITED PARTNERSHIP LTD.
To: PRODRIL ACQUISITION COMPANY
Reel/Frame 020857/0789 →
Articles/Certificate of Correction
Apr 25, 2008
From: PRODRIL ACQUISITION COMPANY
To: PRODRIL ACQUISITION COMPANY, INC.
Reel/Frame 020857/0780 →
Articles of Amendment
Apr 25, 2008
From: PRODRIL ACQUISITION COMPANY, INC.
To: PARTICLE DRILLING, INC.
Reel/Frame 020857/0756 →
Assignment of Assignor's Interest
Apr 25, 2008
From: CURLETT, HARRY BAILEY; SHARP, DAVID PAUL; GREGORY, MARVIN ALLEN
To: CURLETT FAMILY LIMITED PARTNERSHIP
Reel/Frame 020857/0125 →
Merger
May 5, 2008
From: MEDXLINK CORP
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 020901/0701 →
Merger
May 6, 2008
From: MEDXLINK CORP
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 020903/0611 →
Merger
May 8, 2008
From: PARTICLE DRILLING TECHNOLOGIES, INC.
To: MEDXLINK CORP
Reel/Frame 020921/0550 →
Assignment of Assignor's Interest
May 8, 2008
From: HARDER, NATHAN J.; PADGETT, PAUL O.
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 020921/0347 →
Merger
May 8, 2008
From: PDTI ACQUISITION CORP
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 020921/0626 →
Corrective Assignment to Correct the Nature of Conveyance Should Be Change of Name with Conveying Party Medxlink Corp to Particle Drilling Technologies, Inc. Previously Recorded on Reel 020903 Frame 0611. Assignor(S) Hereby Confirms the Merger.
May 9, 2008
From: MEDXLINK CORP
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 020929/0197 →