Shangfu Ma

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Xiamen City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Universal filter cartridge
- Patent number 10,669,163
- Issue date Jun 2, 2020
- Paragon Water Systems
- David Swain
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Adjustable ventilation stack for a water filter system
- Patent number 8,371,452
- Issue date Feb 12, 2013
- Paragon Water Systems, Inc.
- David Swain
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
UNIVERSAL FILTER CARTRIDGE
- Publication number 20140110325
- Publication date Apr 24, 2014
- Paragon Water Systems, Inc.
- David Swain
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
ADJUSTABLE VENTILATION STACK FOR A WATER FILTER SYSTEM
- Publication number 20120061313
- Publication date Mar 15, 2012
- Paragon Water Systems, Inc.
- David Swain
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE