Patent Assignment
Reel/Frame 073802/0085
Assignment of Assignor's Interest
Recorded: 2025-12-01
Pages: 35
Assignor
TERRAROC FINLAND OY
Executed: 2023-08-15
Assignee
TERRAROC FINLAND OY
KOLMENKULMANTIE 18, VUORENTAUSTA, 33430, FINLAND
Covered Properties
(2)
Entrainment Fluid Channeling Device for a Down-Hole Drill String
Off Bottom Flow Diverter Sub
Related Assignments
(6)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 8, 2006
From: LYON, LELAND H.
To: ATLAS COPCO SECOROC AB
Reel/Frame 018671/0033 →
Assignment of Assignor's Interest
Apr 13, 2016
From: WHITE, MICHAEL A; WHITE, JEFFREY P
To: ATLAS COPCO SECOROC LLC
Reel/Frame 038266/0031 →
Change of Name
Feb 6, 2018
From: ATLAS COPCO SECOROC LLC
To: EPIROC DRILLING TOOLS LLC
Reel/Frame 045261/0441 →
Change of Name
Feb 22, 2018
From: ATLAS COPCO SECOROC AB
To: EPIROC DRILLING TOOLS AKTIEBOLAG
Reel/Frame 045405/0345 →
Assignment of Assignor's Interest
Jul 21, 2020
From: EPIROC DRILLING TOOLS AKTIEBOLAG
To: TERRAROC FINLAND OY
Reel/Frame 053260/0830 →
Assignment of Assignor's Interest
Jul 21, 2020
From: EPIROC DRILLING TOOLS LLC
To: TERRAROC FINLAND OY
Reel/Frame 053261/0029 →