Patent Assignment
Reel/Frame 067089/0847
Security Interest
Recorded: 2024-04-12
Pages: 17
Assignor
DEFIANT ENGINEERING, LLC
Executed: 2024-03-01
Assignees
GRIFFIN, LAWRENCE G.
17174 RED WOLF LN., MORRISON, COLORADO, 80465
RIGDON, LARRY
5773 WOODWAY DRIVE PMB 269, HOUSTON, TEXAS, 77057-1957
Covered Properties
(16)
Downhole Intervention and Completion Drone and Methods of Use
Application:
17/446,504 →
Publication:
US 2022/0081982
LiDAR TOOL FOR OIL AND GAS WELLBORE DATA ACQUISITION
Application:
17/815,130 →
Publication:
US 2023/0041700
Downhole Intervention and Completion Drone and Methods of Use
Application:
18/048,396 →
Publication:
US 2023/0111367
AXIAL LiDAR DOPPLER ANALYZER
Single or Multi-Fire Semi-Automatic Perforation System and Methods of Use
Penetrator and Dispensers and Methods of Use
LiDAR TOOL FOR OIL AND GAS WELLBORE DATA ACQUISITION
Application:
18/488,877 →
Publication:
US 2024/0061124
Single or Multi-Fire Semi-Automatic Perforation System and Methods of Use
Isolation System with Integrated Slip and Extrusion Prevention Mechanisms and Methods of Use
Penetrating Charge Dispenser
Patent:
1,108,575 →
Application:
29/926,883 →
Interlocking Perforation Gun and Methods of Use
Application:
63/498,377 →
Over Molded Shaped Charge and Methods of Use
Application:
63/503,432 →
Grounding Sabot and Methods of Use
Application:
63/554,046 →
Kinetic Energy Perforating Round and Methods of Use
Application:
63/554,050 →
Kinetic Energy Perforating Round Assembly and Methods of Use
Application:
63/554,055 →
Charge Dispenser
Application:
63/597,166 →
Related Assignments
(20)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 31, 2021
From: BLOIS, STANLEY JONATHAN; GREEN, DANIEL R.; GARCIA, ALVARO; JANKE, IAN GRAHAM
To: DEFIANT ENGINEERING, LLC
Reel/Frame 057341/0106 →
Assignment of Assignor's Interest
Jul 27, 2022
From: BLOIS, STANLEY JONATHAN; JONES, EMMA ABIGAEL; JONES, GARETH NICHOLAS; KEYES, CULLEN
To: DEFIANT ENGINEERING, LLC
Reel/Frame 060637/0582 →
Assignment of Assignor's Interest
Oct 21, 2022
From: BLOIS, STANLEY JONATHAN; GREEN, DANIEL R.; GARCIA, ALVARO; JANKE, IAN GRAHAM
To: DEFIANT ENGINEERING LLC
Reel/Frame 061494/0864 →
Assignment of Assignor's Interest
Mar 28, 2023
From: JONES, EMMA ABIGAEL; GRIFFIN, LAWRENCE GENE; KEYES, CULLEN C.
To: DEFIANT ENGINEERING LLC
Reel/Frame 063136/0465 →
Assignment of Assignor's Interest
Apr 18, 2023
From: BLOIS, STANLEY JON; GRIFFIN, LAWRENCE GENE; JANKE, IAN GRAHAM; KEYES, CULLEN CRAIG
To: DEFIANT ENGINEERING LLC
Reel/Frame 063366/0369 →
Assignment of Assignor's Interest
Apr 26, 2023
From: KEYES, CULLEN CRAIG; JANKE, IAN GRAHAM; GRIFFIN, LAWRENCE GENE; JONES, GARETH NICHOLAS
To: DEFIANT ENGINEERING LLC
Reel/Frame 063451/0645 →
Assignment of Assignor's Interest
Aug 29, 2023
From: KEYES, CULLEN CRAIG; GRIFFIN, LAWRENCE GENE; JONES, GARETH NICHOLAS; JANKE, IAN GRAHAM
To: DEFIANT ENGINEERING, LLC
Reel/Frame 064740/0777 →
Assignment of Assignor's Interest
Oct 17, 2023
From: BLOIS, STANLEY JONATHAN; JONES, EMMA ABIGAEL; JONES, GARETH NICHOLAS; KEYES, CULLEN
To: DEFIANT ENGINEERING, LLC
Reel/Frame 065258/0368 →
Assignment of Assignor's Interest
Nov 3, 2023
From: KEYES, CULLEN CRAIG; JANKE, IAN GRAHAM; GRIFFIN, LAWRENCE GENE; JONES, GARETH NICHOLAS
To: DEFIANT ENGINEERING LLC
Reel/Frame 065457/0160 →
Assignment of Assignor's Interest
Nov 8, 2023
From: BLOIS, STANLEY JON; GRIFFIN, LAWRENCE GENE; JANKE, IAN GRAHAM; KEYES, CULLEN CRAIG
To: DEFIANT ENGINEERING, LLC
Reel/Frame 065497/0099 →
Assignment of Assignor's Interest
Nov 13, 2023
From: KEYES, CULLEN CRAIG; JANKE, IAN GRAHAM; GRIFFIN, LAWRENCE GENE; JONES, GARETH NICHOLAS
To: DEFIANT ENGINEERING, LLC
Reel/Frame 065563/0254 →
Assignment of Assignor's Interest
Nov 16, 2023
From: KEYES, CULLEN CRAIG; JANKE, IAN GRAHAM; GRIFFIN, LAWRENCE GENE; JONES, GARETH NICHOLAS
To: DEFIANT ENGINEERING, LLC
Reel/Frame 065591/0859 →
Assignment of Assignor's Interest
Feb 1, 2024
From: KEYES, CULLEN CRAIG; JANKE, IAN GRAHAM
To: DEFIANT ENGINEERING, LLC
Reel/Frame 066487/0499 →
Assignment of Assignor's Interest
Apr 30, 2024
From: KEYES, CULLEN CRAIG; JANKE, IAN GRAHAM; GRIFFIN, LAWRENCE GENE
To: DEFIANT ENGINEERING, LLC
Reel/Frame 067276/0564 →
Assignment of Assignor's Interest
Apr 30, 2024
From: KEYES, CULLEN CRAIG; JANKE, IAN GRAHAM; GRIFFIN, LAWRENCE GENE
To: DEFIANT ENGINEERING, LLC
Reel/Frame 067276/0590 →
Assignment of Assignor's Interest
Apr 30, 2024
From: KEYES, CULLEN CRAIG; JANKE, IAN GRAHAM
To: DEFIANT ENGINEERING, LLC
Reel/Frame 067276/0560 →
Change of Name
Nov 5, 2025
From: DEFIANT ENGINEERING, LLC
To: DEFIANT PRECISION TECHNOLOGIES, LLC
Reel/Frame 073485/0616 →
Change of Name
Nov 5, 2025
From: DEFIANT ENGINEERING, LLC
To: DEFIANT PRECISION TECHNOLOGIES, LLC
Reel/Frame 073509/0210 →
Change of Name
Nov 5, 2025
From: DEFIANT ENGINEERING, LLC
To: DEFIANT PRECISION TECHNOLOGIES, LLC
Reel/Frame 073486/0252 →
Change of Name
Nov 19, 2025
From: DEFIANT ENGINEERING, LLC
To: DEFIANT PRECISION TECHNOLOGIES, LLC
Reel/Frame 073606/0433 →