ESSA CO., LTD.

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Gyeongsangbuk-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for filtering sewage and wastewater
- Patent number 8,753,506
- Issue date Jun 17, 2014
- Essa Co., Ltd.
- Heon Mok Kim
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Apparatus for treating sewage using a semi-batch process and associ...
- Patent number 7,674,380
- Issue date Mar 9, 2010
- Essa Co., Ltd.
- Kwang Hee Lee
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

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Patents Applicationslast 30 patents

Information Patent Application
APPARATUS FOR FILTERING SEWAGE AND WASTEWATER
- Publication number 20120175294
- Publication date Jul 12, 2012
- ESSA CO., LTD.
- Heon Mok Kim
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL