Patent Assignment
Reel/Frame 020891/0036
Assignment of Assignor's Interest
Recorded: 2008-03-20
Pages: 3
Assignor
GARDNER, JOHN E.
Executed: 2008-03-20
Assignee
HYDROCHEM INDUSTRIAL SERVICES, INC.
900 GEORGIA AVENUE, DEER PARK, TEXAS, 77536
Covered Property
(1)
Automated heat exchanger tube cleaning assembly and system
Application:
61/070,073 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement
Dec 29, 2008
From: AQUILEX HOLDINGS LLC; AQUILEX CORP.; HYDROCHEM HOLDING, INC.; HYDROCHEM INDUSTRIAL CLEANING, INC.
To: ROYAL BANK OF CANADA
Reel/Frame 022034/0216 →
Merger
Jan 28, 2009
From: HYDROCHEM HOLDING, INC.; AQUILEX CORP.
To: AQUILEX CORPORATION
Reel/Frame 022168/0354 →
Release by Secured Party as Previously Recorded at Reel 022034 Frame 0216
Apr 3, 2013
From: ROYAL BANK OF CANADA
To: AQUILEX LLC; AQUILEX HYDROCHEM LLC; AQUILEX WSI LLC
Reel/Frame 030147/0676 →