Patent Assignment
Reel/Frame 020478/0378
Security Agreement
Recorded: 2008-02-07
Pages: 7
Assignor
SERVA CORPORATION
Executed: 2008-02-01
Assignee
ALLEN, THOMAS E
9722 S. OSWEGO AVENUE, TULSA, OKLAHOMA, 74137
Covered Properties
(9)
Cement Mixing System for Oil Well Cementing
Automatically Adjusting Annular Jet Mixer
Metering Valve
First in First Out Hydration Tanks
Automatically Adjusting Annular Jet Mixer
Metering Valve
Gel Mixing System
Variable Displacement Reciprocating Pump
Gel Mixing System
Related Assignments
(15)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 8, 2008
From: ALLEN, THOMAS E.; ALLEN, ALLEN & ASSOCIATES LLC
To: SERVA CORPORATION
Reel/Frame 020478/0902 →
Release of Security Agreement
Apr 8, 2011
From: ALLEN, THOMAS E.
To: SERVA CORPORATION
Reel/Frame 026100/0878 →
Security Agreement
May 14, 2014
From: SERVA GROUP LLC; SERVA CORPORATION
To: ALLY BANK, AS AGENT
Reel/Frame 032901/0462 →
Release of Security Agreement
Jun 5, 2015
From: ALLY BANK, AS AGENT
To: SERVA GROUP LLC; SERVA CORPORATION
Reel/Frame 035833/0871 →
Security Agreement
Jun 5, 2015
From: HEIL TRAILER INTERNATIONAL, LLC; SERVA CORPORATION; SERVA GROUP LLC
To: ALLY BANK, AS AGENT
Reel/Frame 035836/0989 →
Security Interest
Jun 5, 2015
From: HEIL TRAILER INTRNATIONAL, LLC; SERVA CORPORATION; SERVA GROUP LLC
To: CORTLAND CAPITAL MARKET SERVICES LLC, AS AGENT
Reel/Frame 035834/0157 →
Release of Security Interest
Nov 1, 2018
From: ALLY BANK
To: HEIL TRAILER INTERNATIONAL, LLC; SERVA CORPORATION; SERVA GROUP LLC
Reel/Frame 047387/0750 →
Security Interest
Nov 2, 2018
From: ENTRANS INTERNATIONAL, LLC; SERVA CORPORATION; HEIL TRAILER INTERNATIONAL, LLC; SERVA GROUP LLC
To: CREDIT SUISSE, AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT
Reel/Frame 047390/0522 →
Security Interest
Nov 2, 2018
From: ENTRANS INTERNATIONAL, LLC; SERVA CORPORATION; HEIL TRAILER INTERNATIONAL, LLC; SERVA GROUP LLC
To: BARCLAYS BANK PLC, AS COLLATERAL AGENT
Reel/Frame 047397/0048 →
Release of Security Interest
May 25, 2022
From: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT
To: ENTRANS INTERNATIONAL, LLC; SERVA CORPORATION; HEIL TRAILER INTERNATIONAL, LLC; SERVA GROUP LLC
Reel/Frame 060010/0951 →
Security Agreement
May 31, 2022
From: ENTRANS INTERNATIONAL, LLC; SERVA CORPORATION; HEIL TRAILER INTERNATIONAL, LLC; SERVA GROUP LLC
To: ALLY BANK, AS COLLATERAL AGENT
Reel/Frame 060243/0776 →
Release of Security Interest
Jun 1, 2022
From: BARCLAYS BANK PLC, AS COLLATERAL AGENT
To: ENTRANS INTERNATIONAL, LLC; SERVA CORPORATION; HEIL TRAILER INTERNATIONAL, LLC; SERVA GROUP LLC
Reel/Frame 060077/0515 →
Assignment of Assignor's Interest
May 3, 2024
From: SERVA CORPORATION
To: SG HOLDINGS I LLC
Reel/Frame 067310/0607 →
Release of Security Interest
Mar 17, 2025
From: ALLY BANK, AS COLLATERAL AGENT
To: ENTRANS INTERNATIONAL, LLC; SERVA CORPORATION; HEIL TRAILER INTERNATIONAL, LLC; SERVA GROUP LLC
Reel/Frame 070534/0650 →
Security Agreement
Aug 5, 2025
From: SERVA CORPORATION; SERVA GROUP LLC; SG HOLDINGS I LLC
To: ALLY BANK, AS COLLATERAL AGENT
Reel/Frame 072353/0707 →