Karthikeyan Sathrugnan

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Singapore, SG

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Patents Grantslast 30 patents

Information Patent Grant
Integrated selenium removal system for waste water
- Patent number 9,567,249
- Issue date Feb 14, 2017
- Evoqua Water Technologies Pte. Ltd.
- Marek Mierzejewski
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Radial flow column
- Patent number 8,758,632
- Issue date Jun 24, 2014
- Evoqua Water Technologies LLC
- Davis Yohanes Arifin
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
INTEGRATED SELENIUM REMOVAL SYSTEM FOR WASTE WATER
- Publication number 20130334134
- Publication date Dec 19, 2013
- Siemens Pte Ltd
- Marek Mierzejewski
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Sulfate removal from aqueous waste streams with recycle
- Publication number 20120205313
- Publication date Aug 16, 2012
- Siemens Industry, Inc.
- Karthikeyan Sathrugnan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
RADIAL FLOW COLUMN
- Publication number 20110233153
- Publication date Sep 29, 2011
- Siemens Pte Ltd
- Davis Yohanes Arifin
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
HIGH RECOVERY SULFATE REMOVAL PROCESS
- Publication number 20110163032
- Publication date Jul 7, 2011
- Siemens Pte Ltd
- Gerald Alexander
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE