16 Utility Patents
#129 in Maple Grove, MN
#3,939 in Minnesota
#114,279 in US
#227,686 in the World
Forward Citations = 252
Company Filing History:
Aqseptence Group Gmbh
Bilfinger Water Technologies Gmbh
Johnson Filtration Systems
4. 2 out of 121
United States Filter Corporation
5. 1 out of 1,209
Weatherford/lamb, Inc.
where one patent can have more than one assignee
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