Patent Assignment
Reel/Frame 056265/0137
Assignment of Assignor's Interest
Recorded: 2021-05-17
Pages: 2
Assignor
DYNOMAX DRILLING TOOLS USA, INC.
Executed: 2021-05-05
Assignee
DYNOMAX DRILLING TOOLS INC. (CANADA)
7501 - 42 STREET, LEDUC, T9E 0R8, CANADA
Covered Properties
(4)
System, Method and Apparatus for Controlling Fluid Flow Through Drill String
Downhole Flow Diversion Device with Oscillation Damper
System, Method and Apparatus for Controlling Fluid Flow Through Drill String
Downhole Flow Diversion Device with Oscillation Damper
Related Assignments
(12)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 27, 2017
From: CRAMER, DAVID S.; HARVEY, MICHAEL J.
To: GENERAL DOWNHOLE TECHNOLOGIES LTD.
Reel/Frame 041378/0781 →
Assignment of Assignor's Interest
Sep 17, 2018
From: CRAMER, DAVID S.; HARVEY, MICHAEL J.
To: GENERAL DOWNHOLE TECHNOLOGIES LTD.
Reel/Frame 046892/0585 →
Assignment of Assignor's Interest
Mar 21, 2019
From: REVE, LLC
To: DYNOMAX DRILLING TOOLS USA, INC.
Reel/Frame 048663/0302 →
Assignment of Assignor's Interest
Mar 21, 2019
From: CRAMER, DAVID S.; HARVEY, MICHAEL J.; DEVLIN, DAVID D.
To: GENERAL DOWNHOLE TECHNOLOGIES LTD.
Reel/Frame 048669/0037 →
Assignment of Assignor's Interest
Mar 21, 2019
From: GENERAL DOWNHOLE TECHNOLOGIES LTD.
To: REVE, LLC
Reel/Frame 048669/0208 →
Assignment of Assignor's Interest
Mar 21, 2019
From: CRAMER, DAVID S.; HARVEY, MICHAEL J.; DEVLIN, DAVID D.
To: GENERAL DOWNHOLE TECHNOLOGIES LTD.
Reel/Frame 048663/0070 →
Assignment of Assignor's Interest
Apr 5, 2019
From: REVE, LLC
To: DYNOMAX DRILLING TOOLS USA, INC.
Reel/Frame 048810/0147 →
Assignment of Assignor's Interest
Apr 5, 2019
From: GENERAL DOWNHOLE TECHNOLOGIES LTD.
To: REVE, LLC
Reel/Frame 048814/0807 →
Assignment of Assignor's Interest
Apr 5, 2019
From: CRAMER, DAVID S.; HARVEY, MICHAEL J.
To: GENERAL DOWNHOLE TECHNOLOGIES LTD.
Reel/Frame 048810/0019 →
Assignment of Assignor's Interest
May 9, 2019
From: CRAMER, DAVID S.; HARVEY, MICHAEL J.
To: GENERAL DOWNHOLE TECHNOLOGIES LTD.
Reel/Frame 049126/0620 →
Assignment of Assignor's Interest
May 9, 2019
From: GENERAL DOWNHOLE TECHNOLOGIES LTD.
To: REVE, LLC
Reel/Frame 049127/0377 →
Assignment of Assignor's Interest
May 9, 2019
From: REVE, LLC
To: DYNOMAX DRILLING TOOLS USA, INC.
Reel/Frame 049127/0470 →