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Stewart T. Herman
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Hellertown, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method for removal and detoxication of dissolved metals in a rainwa...
Patent number
7,037,423
Issue date
May 2, 2006
ISG Technologies Inc.
Stewart T. Herman
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method for magnetically filtering wastewaters containing oil-coated...
Patent number
5,989,435
Issue date
Nov 23, 1999
Bethlehem Steel Corporation
Stewart T. Herman
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Wastewater treatment process for vacuum degasser effluent
Patent number
5,792,364
Issue date
Aug 11, 1998
Bethlehem Steel Corporation
Stewart T. Herman
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Apparatus for magnetically filtering wastewaters containing oil-coa...
Patent number
5,766,450
Issue date
Jun 16, 1998
Bethlehem Steel Corporation
Stewart T. Herman
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Metal recovery method and system for electroplating wastes
Patent number
5,192,418
Issue date
Mar 9, 1993
Bethlehem Steel Corporation
Charles R. Hughes
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Removal of complexed zinc-cyanide from wastewater with improved slu...
Patent number
4,606,829
Issue date
Aug 19, 1986
Bethlehem Steel Corporation
Michael A. Rice
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Removal of complexed zinc-cyanide from wastewater
Patent number
4,543,189
Issue date
Sep 24, 1985
Bethlehem Steel Corp.
Michael A. Rice
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Treatment of industrial wastewaters
Patent number
4,465,597
Issue date
Aug 14, 1984
Bethlehem Steel Corp.
Stewart T. Herman
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method for cleaning sinter plant gas emissions
Patent number
4,256,468
Issue date
Mar 17, 1981
Bethlehem Steel Corporation
Marshall R. Mazer
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Patents Applications
last 30 patents
Information
Patent Application
Method for removal and detoxication of dissolved metals in a rainwa...
Publication number
20040031753
Publication date
Feb 19, 2004
Stewart T. Herman
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL