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Steve Sitkiewitz
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Sebastopol, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Ultraviolet light activated oxidation process for the reduction of...
Patent number
12,103,874
Issue date
Oct 1, 2024
Evoqua Water Technologies LLC
Steve D. Sitkiewitz
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Ultraviolet light activated oxidation process for the reduction of...
Patent number
10,550,020
Issue date
Feb 4, 2020
Evoqua Water Technologies LLC
Steve D. Sitkiewitz
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Ultraviolet light activated oxidation process for the reduction of...
Patent number
10,343,939
Issue date
Jul 9, 2019
Evoqua Water Technologies LLC
Steve D. Sitkiewitz
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Recovery of retrograde soluble solute for forward osmosis water tre...
Patent number
9,676,639
Issue date
Jun 13, 2017
TREVI SYSTEMS INC.
Gary Carmignani
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Recovery of retrograde soluble solute for forward osmosis water tre...
Patent number
9,216,917
Issue date
Dec 22, 2015
TREVI SYSTEMS INC.
Gary Carmignani
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Ultraviolet light activated oxidation process for the reduction of...
Patent number
8,652,336
Issue date
Feb 18, 2014
Siemens Water Technologies LLC
Steve Donald Sitkiewitz
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Apparatus and method for photocatalytic purification and disinfecti...
Patent number
6,902,653
Issue date
Jun 7, 2005
Titan Technologies
Gary Carmignani
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
ULTRAVIOLET LIGHT ACTIVATED OXIDATION PROCESS FOR THE REDUCTION OF...
Publication number
20210387878
Publication date
Dec 16, 2021
Evoqua Water Technologies LLC
Steve D. Sitkiewitz
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
ULTRAVIOLET LIGHT ACTIVATED OXIDATION PROCESS FOR THE REDUCTION OF...
Publication number
20200148563
Publication date
May 14, 2020
Evoqua Water Technologies LLC
Steve D. Sitkiewitz
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
ULTRAVIOLET LIGHT ACTIVATED OXIDATION PROCESS FOR THE REDUCTION OF...
Publication number
20200002198
Publication date
Jan 2, 2020
Evoqua Water Technologies LLC
Steve D. Sitkiewitz
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
RECOVERY OF RETROGRADE SOLUBLE SOLUTE FOR FORWARD OSMOSIS WATER TRE...
Publication number
20160039685
Publication date
Feb 11, 2016
Trevi Systems Inc.
Gary Carmignani
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ULTRAVIOLET LIGHT ACTIVATED OXIDATION PROCESS FOR THE REDUCTION OF...
Publication number
20140144821
Publication date
May 29, 2014
Steve D. Sitkiewitz
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
RECOVERY OF RETROGRADE SOLUBLE SOLUTE FOR FORWARD OSMOSIS WATER TRE...
Publication number
20120267308
Publication date
Oct 25, 2012
Trevi Systems Inc.
Gary Carmignani
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ULTRAVIOLET LIGHT ACTIVATED OXIDATION PROCESS FOR THE REDUCTION OF...
Publication number
20110180485
Publication date
Jul 28, 2011
Fluid Lines
Steve Donald Sitkiewitz
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
Apparatus and method for photocatalytic purification and disinfecti...
Publication number
20050224335
Publication date
Oct 13, 2005
Gary Carmignani
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Apparatus and method for photocatalytic purification and disinfecti...
Publication number
20030150707
Publication date
Aug 14, 2003
Gary Carmignani
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE