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Total properties:
12
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Patent #:
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Issue Dt:
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09/24/1985
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Application #:
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06620363
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Filing Dt:
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06/13/1984
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Title:
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REMOVAL OF COMPLEXED ZINC-CYANIDE FROM WASTEWATER
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Patent #:
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Issue Dt:
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08/19/1986
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Application #:
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06748660
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Filing Dt:
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06/25/1985
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Title:
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REMOVAL OF COMPLEXED ZINC-CYANIDE FROM WASTEWATER WITH IMPROVED SLUDGE STABILITY
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Patent #:
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Issue Dt:
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08/13/1991
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Application #:
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07488643
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Filing Dt:
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03/05/1990
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Title:
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WASTE WATER TREATMENT PROCESS USING IMPROVED RECYCLE OF HIGH DENSITY SLUDGE
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Patent #:
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Issue Dt:
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04/04/1995
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Application #:
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08137374
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Filing Dt:
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10/14/1993
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Title:
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FLUORIDE REMOVAL SYSTEM
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Patent #:
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Issue Dt:
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02/27/1996
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Application #:
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08215378
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Filing Dt:
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03/21/1994
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Title:
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METHODS AND APPARATUS FOR UTILIZING PROTECTION PATHS AS ADDITIONAL WORKING PATHS IN SWITCHED RING NETWORK SYSTEMS
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Patent #:
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Issue Dt:
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07/07/1998
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Application #:
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08548556
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Filing Dt:
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10/26/1995
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Title:
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METHOD FOR REMOVING NITROGEN FROM WASTEWATER
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Patent #:
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Issue Dt:
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11/23/1999
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Application #:
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08895621
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Filing Dt:
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07/17/1997
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Title:
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METHOD OF DEGASSING BIOLOGICAL FILTERS
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Patent #:
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Issue Dt:
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02/20/2001
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Application #:
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09044598
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Filing Dt:
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03/19/1998
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Title:
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METHOD FOR RETROFITTING A FALSE BOTTOM UNDERDRAIN FILTER SYSTEM
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Patent #:
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Issue Dt:
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07/17/2001
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Application #:
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09176147
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Filing Dt:
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10/21/1998
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Title:
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FLUID TREATMENT MEDIA SUPPORT SYSTEM
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Patent #:
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Issue Dt:
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11/07/2000
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Application #:
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09219292
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Filing Dt:
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12/22/1998
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Title:
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UNDERDRAIN BLOCK FOR FILTER MEDIA SYSTEM
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Patent #:
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Issue Dt:
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10/10/2000
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Application #:
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09219946
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Filing Dt:
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12/23/1998
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Title:
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"METHOD FOR AUTOMOTIVE DOSE CONTROL OF LIQUID TREATMENT CHEMICALS"
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Patent #:
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Issue Dt:
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08/29/2000
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Application #:
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09311013
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Filing Dt:
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05/13/1999
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Title:
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ANCHOR FOR AN UNDERDRAIN BLOCK
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