Patent Assignment
Reel/Frame 072200/0236
Assignment of Assignor's Interest
Recorded: 2025-09-09
Pages: 9
Assignor
ADS SERVICES, LLC
Executed: 2025-07-31
Assignee
CORTEC, L.L.C.
10815 HUFFMEISTER ROAD, HOUSTON, TEXAS, 77065
Covered Properties
(13)
System for accelerating relief valve opening
Patent:
8,413,677 →
Application:
12/928,744 →
A System for Controlling Wellbore Pressure During Pump Shutdowns
System for Hydraulic Pressure Relief Valve Operation
Proportional Control Valve System and Method
Well Control System Having One or More Adjustable Orifice Choke Valves and Method
Control System for a Well Drilling Platform with Remote Access
Integrated Control System for a Well Drilling Platform
Flow Measurement Choke Valve System
Control System for a Well Drilling Platform with Remote Access
Well Control System Having One or More Adjustable Orifice Choke Valves and Method
Integrated Control System for a Well Drilling Platform
Automated High-Pressure Pump Testing System
Flow Measurement Choke Valve System
Related Assignments
(25)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 18, 2017
From: PARTHASARATHY, ANAND; CHARLES, SCOTT
To: EXPRO AMERICAS, LLC
Reel/Frame 043333/0883 →
Release of Security Interest
Feb 7, 2018
From: HSBC CORPORATE TRUSTEE COMPANY (UK) LIMITED, AS COLLATERAL AGENT
To: EXPRO AMERICAS, LLC
Reel/Frame 044852/0391 →
Assignment of Assignor's Interest
Feb 12, 2019
From: PARTHASARATHY, ANAND; CHARLES, SCOTT
To: EXPRO AMERICAS, LLC
Reel/Frame 048301/0423 →
Assignment of Assignor's Interest
Mar 4, 2019
From: PARTHASARATHY, ANAND; CHARLES, SCOTT
To: EXPRO AMERICAS, LLC
Reel/Frame 048493/0876 →
Short-Form Patent and Trademark Security Agreement
Mar 5, 2019
From: EXPRO AMERICAS, LLC
To: DNB BANK ASA, LONDON BRANCH, AS SECURITY AGENT
Reel/Frame 048511/0837 →
Assignment of Assignor's Interest
Jan 28, 2020
From: MCCASKILL, JOHN WALTON, III; SPENCER, DANNY; CHARLES, SCOTT
To: EXPRO AMERICAS, LLC
Reel/Frame 051637/0286 →
Assignment of Assignor's Interest
Sep 2, 2020
From: PARTHASARATHY, ANAND; CHARLES, SCOTT; RASHEED, SYED
To: EXPRO AMERICAS, LLC
Reel/Frame 053672/0893 →
Assignment of Assignor's Interest
Sep 2, 2020
From: PARTHASARATHY, ANAND; CHARLES, SCOTT
To: EXPRO AMERICAS, LLC
Reel/Frame 053677/0962 →
Assignment of Assignor's Interest
Sep 16, 2020
From: TODD, RICHARD J.; PARTHASARATHY, ANAND; CHARLES, SCOTT
To: EXPRO AMERICAS, LLC
Reel/Frame 053784/0018 →
Notice of Release of Security Interest in Certain Patents and Trademarks Recorded at Reel 048511, Frame 0837
Nov 13, 2020
From: DNB BANK ASA, LONDON BRANCH
To: EXPRO AMERICAS, LLC
Reel/Frame 054403/0578 →
Assignment of Assignor's Interest
Dec 15, 2020
From: EXPRO AMERICAS, LLC
To: ADS SERVICES LLC
Reel/Frame 054649/0810 →
Assignment of Assignor's Interest
Jun 2, 2021
From: EXPRO AMERICAS, LLC
To: ADS SERVICES LLC
Reel/Frame 056414/0369 →
Assignment of Assignor's Interest
Jun 2, 2021
From: PARTHASARATHY, ANAND; CHARLES, SCOTT
To: EXPRO AMERICAS, LLC
Reel/Frame 056414/0304 →
Assignment of Assignor's Interest
Jun 29, 2021
From: EXPRO AMERICAS, LLC
To: ADS SERVICES, LLC
Reel/Frame 056704/0557 →
Assignment of Assignor's Interest
Jun 29, 2021
From: TODD, RICHARD J.; PARTHASARATHY, ANAND; CHARLES, SCOTT
To: EXPRO AMERICAS, LLC
Reel/Frame 056704/0463 →
Assignment of Assignor's Interest
Jun 30, 2021
From: EXPRO AMERICAS, LLC
To: ADS SERVICES, LLC
Reel/Frame 056721/0698 →
Assignment of Assignor's Interest
Jun 30, 2021
From: PARTHASARATHY, ANAND; CHARLES, SCOTT; RASHEED, SYED
To: EXPRO AMERICAS, LLC
Reel/Frame 056721/0653 →
Short-Form Patent and Trademark Security Agreement
Oct 4, 2021
From: EXPRO AMERICAS, LLC
To: DNB BANK ASA, LONDON BRANCH
Reel/Frame 057719/0904 →
Assignment of Assignor's Interest
Dec 10, 2021
From: ELLIS, BRIAN
To: ADS SERVICES, LLC
Reel/Frame 058356/0675 →
Assignment of Assignor's Interest
Dec 10, 2021
From: PARTHASARATHY, ANAND
To: EXPRO AMERICAS, LLC.
Reel/Frame 058356/0573 →
Assignment of Assignor's Interest
Dec 10, 2021
From: EXPRO AMERICAS, LLC.
To: ADS SERVICES, LLC
Reel/Frame 058356/0631 →
Assignment of Assignor's Interest
Jan 11, 2022
From: EXPRO AMERICAS, LLC.
To: ADS SERVICES, LLC
Reel/Frame 058621/0621 →
Assignment of Assignor's Interest
Oct 4, 2022
From: PARTHASARATHY, ANAND
To: EXPRO AMERICAS, LLC.
Reel/Frame 061604/0638 →
Assignment of Assignor's Interest
Oct 4, 2022
From: CHARLES, SCOTT
To: EXPRO AMERICAS, LLC.
Reel/Frame 061305/0130 →
Release of Security Interest
Sep 30, 2025
From: DNB BANK ASA, LONDON BRANCH
To: EXPRO AMERICAS, LLC
Reel/Frame 072421/0327 →