Patent Assignment
Reel/Frame 018228/0535
Assignment of Assignor's Interest
Recorded: 2006-09-11
Pages: 3
Assignors
ZHA, FUFANG
Executed: 2006-08-23
LAZAREDES, HUW ALEXANDER
Executed: 2006-08-23
CAO, ZHIYI
Executed: 2006-08-17
Assignee
USFILTER WASTEWATER GROUP, INC.
181 THORN HILL ROAD, WARRENDALE, PENNSYLVANIA, 15086
Covered Property
(1)
Methods of cleaning membrane modules
Application:
10/572,893 →
Publication:
US 2006/0261007
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Jul 27, 2011
From: U.S. FILTER WASTEWATER GROUP, INC.
To: SIEMENS WATER TECHNOLOGIES CORP.
Reel/Frame 026660/0976 →
Merger
Jul 27, 2011
From: SIEMENS WATER TECHNOLOGIES CORP.
To: SIEMENS WATER TECHNOLOGIES HOLDING CORP.
Reel/Frame 026660/0982 →
Merger
Jul 27, 2011
From: SIEMENS WATER TECHNOLOGIES HOLDING CORP.
To: SIEMENS INDUSTRY, INC.
Reel/Frame 026660/0996 →