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Stow, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Methods of making a cell stack for an electrical purification appar...
Patent number
9,463,987
Issue date
Oct 11, 2016
Evoqua Water Technologies Pte. Ltd.
Li-Shiang Liang
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Electrical purification apparatus having a blocking spacer
Patent number
9,463,988
Issue date
Oct 11, 2016
Evoqua Water Technologies Pte. Ltd.
Li-Shiang Liang
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Techniques for promoting current efficiency in electrochemical sepa...
Patent number
9,446,971
Issue date
Sep 20, 2016
Evoqua Water Technologies Pte. Ltd.
Li-Shiang Liang
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Electrical purification apparatus
Patent number
9,227,858
Issue date
Jan 5, 2016
Evoqua Water Technologies Pte. Ltd.
Li-Shiang Liang
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Modular electrochemical systems and methods
Patent number
9,187,350
Issue date
Nov 17, 2015
Evoqua Water Technologies Pte. Ltd.
Li-Shiang Liang
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Modular electrochemical systems and methods
Patent number
9,187,349
Issue date
Nov 17, 2015
Evoqua Water Technologies Pte. Ltd.
Li-Shiang Liang
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Techniques for promoting current efficiency in electrochemical sepa...
Patent number
9,139,455
Issue date
Sep 22, 2015
Evoqua Water Technologies Pte. Ltd.
Li-Shiang Liang
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method of providing a source of potable water
Patent number
9,138,689
Issue date
Sep 22, 2015
Evoqua Water Technologies Pte. Ltd.
Li-Shiang Liang
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Electrical purification apparatus having a blocking spacer
Patent number
8,956,521
Issue date
Feb 17, 2015
Evoqua Water Technologies LLC
Li-Shiang Liang
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Electrochemical separation modules
Patent number
8,741,121
Issue date
Jun 3, 2014
Evoqua Water Technologies LLC
Li-Shiang Liang
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Methods of making a cell stack for an electrical purification appar...
Patent number
8,627,560
Issue date
Jan 14, 2014
Siemens Water Technologies Pte. Ltd.
Li-Shiang Liang
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Patents Applications
last 30 patents
Information
Patent Application
TECHNIQUES FOR PROMOTING CURRENT EFFICIENCY IN ELECTROCHEMICAL SEPA...
Publication number
20150368125
Publication date
Dec 24, 2015
Evoqua Water Technologies Pte., Ltd.
Li-Shiang Liang
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
ELECTRICAL PURIFICATION APPARATUS HAVING A BLOCKING SPACER
Publication number
20150122657
Publication date
May 7, 2015
EVOQUA WATER TECHNOLOGIES PTE. LTD.
Li-Shiang Liang
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
METHODS OF MAKING A CELL STACK FOR AN ELECTRICAL PURIFICATION APPAR...
Publication number
20140115877
Publication date
May 1, 2014
Siemens Water Technologies Pte Ltd.
Li-Shiang Liang
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Methods of Making a Cell Stack for an Electrical Purification Appar...
Publication number
20120117789
Publication date
May 17, 2012
Siemens Pte Ltd
Li-Shiang Liang
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
ELECTRICAL PURIFICATION APPARATUS HAVING A BLOCKING SPACER
Publication number
20120118728
Publication date
May 17, 2012
Siemens Pte Ltd
Li-Shiang Liang
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
MODULAR ELECTROCHEMICAL SYSTEMS AND METHODS
Publication number
20120118730
Publication date
May 17, 2012
Siemens Pte Ltd
Li-Shiang Liang
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
MODULAR ELECTROCHEMICAL SYSTEMS AND METHODS
Publication number
20120118729
Publication date
May 17, 2012
Siemens Pte Ltd
Li-Shiang Liang
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
METHOD OF PROVIDING A SOURCE OF POTABLE WATER
Publication number
20120118738
Publication date
May 17, 2012
Siemens Pte Ltd
Li-Shiang Liang
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Techniques for Promoting Current Efficiency in Electrochemical Sepa...
Publication number
20120118742
Publication date
May 17, 2012
Siemens Pte Ltd
Li-Shiang Liang
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
ELECTRICAL PURIFICATION APPARATUS
Publication number
20120118743
Publication date
May 17, 2012
Siemens Pte Ltd
Li-Shiang Liang
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
ELECTROCHEMICAL SEPARATION MODULES
Publication number
20120118744
Publication date
May 17, 2012
Siemens Pte Ltd
Li-Shiang Liang
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR