Patent Assignment
Reel/Frame 015886/0809
Change of Name
Recorded: 2004-10-18
Pages: 2
Assignor
EXCEL ENERGY SERVICES CORP.
Executed: 2000-12-21
Assignee
EXCEL ENERGY TECHNOLOGIES, LTD.
624 SOUTH BOSTON, SUITE 300, TULSA, OKLAHOMA, 74119
Covered Properties
(3)
Temperature Control Method and Apparatus
Patent:
5,539,633 →
Application:
08/353,535 →
Method of Anticipating Potential Hvac Failure
Patent:
5,729,474 →
Application:
08/353,536 →
Energy Utilization Controller and Control System and Method
Patent:
5,640,153 →
Application:
08/679,157 →
Related Assignments
(6)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 10, 1995
From: HILDEBRAND, PAUL N.; LIGHT, W. JOHN; KNIGHT, T. FRANK; LAWRENCE, KELLEY A.
To: EXCEL ENERGY TECHNOLOGIES, LTD.
Reel/Frame 007321/0783 →
Assignment of Assignor's Interest
Feb 24, 1995
From: HILDEBRAND, PAUL N.; BRIGGS, RONALD E.; KNIGHT, T. FRANK; JALUKAR, MANJIREE
To: EXCEL ENERGY TECHNOLOGIES, LTD.
Reel/Frame 007352/0280 →
Assignment of Assignor's Interest
Oct 18, 2004
From: EXCEL ENERGY TECHNOLOGIES, LTD.
To: EXCEL ENERGY SERVICES CORP.
Reel/Frame 015886/0811 →
Merger
Nov 12, 2004
From: EXCEL ENERGY TECHNOLOGIES LTD. (AN OKLAHOMA CORPORATION)
To: EXCEL ENERY TECHNOLOGIES, LTD. (A DELAWARE CORP.)
Reel/Frame 015972/0795 →
Assignment of Assignor's Interest
Aug 1, 2008
From: EXCEL ENERGY TECHNOLOGIES, LTD.
To: SITE CONTROLS, LLC
Reel/Frame 021328/0215 →
Merger
Mar 29, 2011
From: SITE CONTROLS, LLC
To: SIEMENS INDUSTRY, INC.
Reel/Frame 026044/0404 →