Patent Assignment
Reel/Frame 014669/0026
Merger
Recorded: 2004-05-25
Pages: 11
Assignor
ZIMPRO ENVIRONMENTAL, INC.
Executed: 1996-05-31
Assignee
U.S. FILTER/ZIMPRO, INC.
301 WEST MILITARY ROAD, ROTHSCHILD, WISCONSIN, 54474
Covered Property
(1)
Removal of Nitrogen from Wastewaters
Patent:
5,641,413 →
Application:
08/548,921 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Oct 27, 2006
From: U.S. FILTER/ZIMPRO, INC.
To: SIEMENS WATER TECHNOLOGIES CORP.
Reel/Frame 018442/0407 →
Merger
Apr 11, 2011
From: SIEMENS WATER TECHNOLOGIES CORP.
To: SIEMENS WATER TECHNOLOGIES HOLDING CORP.
Reel/Frame 026106/0467 →
Merger
Apr 15, 2011
From: SIEMENS WATER TECHNOLOGIES HOLDING CORP.
To: SIEMENS INDUSTRY, INC.
Reel/Frame 026138/0593 →
Assignment of Assignor's Interest
Mar 1, 2013
From: SIEMENS INDUSTRY, INC.
To: SIEMENS ENERGY, INC.
Reel/Frame 029904/0149 →