Patent Assignment
Reel/Frame 031035/0249
Assignment of Assignor's Interest
Recorded: 2013-08-19
Pages: 3
Assignor
DIAMOND AIR DRILLING SERVICES, INC.
Executed: 2004-11-10
Assignee
AIRCOMP L.L.C.
1034 REGIONAL PARK DRIVE, HOUSTON, TEXAS, 77060
Covered Property
(1)
Percussion Hammer Bit Retainer Apparatus
Patent:
7,117,939 →
Application:
10/718,167 →
Related Assignments
(9)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 20, 2003
From: HAWLEY, GREGORY DEE; MEYERS, JOHN ADAM
To: DIAMOND AIR DRILLING SERVICES, INC.
Reel/Frame 014742/0885 →
Merger
Aug 19, 2013
From: AIRCOMP L.L.C.
To: MOUNTAIN COMPRESSED AIR, INC.
Reel/Frame 031035/0628 →
Merger
Aug 19, 2013
From: MOUNTAIN COMPRESSED AIR, INC.
To: OILQUIP RENTALS, INC.
Reel/Frame 031035/0798 →
Conversion from a Corporation to a Limited Liability Company
Aug 19, 2013
From: OILQUIP RENTALS, INC.
To: OILQUIP RENTALS LLC
Reel/Frame 031036/0071 →
Change of Name
Aug 19, 2013
From: OILQUIP RENTALS LLC
To: AIRCOMP L.L.C.
Reel/Frame 031036/0194 →
Change of Name
Aug 19, 2013
From: AIRCOMP L.L.C.
To: ARCHER UNDERBALANCED SERVICES LLC
Reel/Frame 031039/0732 →
Assignment of Assignor's Interest
Oct 17, 2013
From: ARCHER UNDERBALANCED SERVICES LLC
To: ATLAS COPCO CONSTRUCTION MINING TECHNIQUE USA LLC
Reel/Frame 031422/0151 →
Assignment of Assignor's Interest
Feb 21, 2018
From: EPIROC USA LLC
To: EPIROC DRILLING TOOLS LLC
Reel/Frame 044990/0234 →
Assignment of Assignor's Interest
Jul 21, 2020
From: EPIROC DRILLING TOOLS LLC
To: TERRAROC FINLAND OY
Reel/Frame 053261/0029 →