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Steven B. Mullerheim
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Kensington, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Process and apparatus for treating wastewater
Patent number
6,641,721
Issue date
Nov 4, 2003
Great Circle Technologies, Inc.
Steven B. Mullerheim
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process and apparatus for treating wastewater
Patent number
6,488,853
Issue date
Dec 3, 2002
Great Circle Technologies, Inc.
Steven B. Mullerheim
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process and apparatus for treating wastewater
Patent number
6,395,181
Issue date
May 28, 2002
Great Circle Technologies, Inc.
Steven B. Mullerheim
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Membrane process for treating sanitary wastewater
Patent number
5,837,142
Issue date
Nov 17, 1998
Great Circle Associates
Steven B. Mullerheim
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Wastewater treatment with ultraviolet disinfection and increased ca...
Patent number
4,229,202
Issue date
Oct 21, 1980
Great Circle Associates
Steven B. Mullerheim
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Sewage delivery and filtration system
Patent number
4,217,219
Issue date
Aug 12, 1980
Great Circle Associates
Steven B. Mullerheim
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Filtration system for household sewage
Patent number
4,191,647
Issue date
Mar 4, 1980
Great Circle Associates
Steven B. Mullerheim
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Filtration with a compostable filter medium
Patent number
4,137,062
Issue date
Jan 30, 1979
Great Circle Associates
Steven B. Mullerheim
C05 - FERTILISERS MANUFACTURE THEREOF
Patents Applications
last 30 patents
Information
Patent Application
Process and apparatus for treating wastewater
Publication number
20030075502
Publication date
Apr 24, 2003
Great Circle Technologies, Inc., a Delaware corporation
Steven B. Mullerheim
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL