Huazhong Mao

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Edmonton, CA

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Patents Grantslast 30 patents

Information Patent Grant
Bioreactor systems for biological nutrient removal
- Patent number 6,582,596
- Issue date Jun 24, 2003
- Aquasol Envirotech Ltd.
- Huazhong Mao
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Bioreactor systems for biological nutrient removal
- Patent number 6,423,229
- Issue date Jul 23, 2002
- Aquasol Envirotech Ltd.
- Huazhong Mao
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Biological method of waste water treatment
- Patent number 5,582,732
- Issue date Dec 10, 1996
- Aquatex Corporation
- Huazhong Mao
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Microbubble generator for the transfer of oxygen to microbial inocu...
- Patent number 5,534,143
- Issue date Jul 9, 1996
- Louisiana State University Board of Supervisors, a governing body of Louisian...
- Ralph J. Portier
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Microbubble generator for the transfer of oxygen to microbial inocu...
- Patent number 5,240,598
- Issue date Aug 31, 1993
- Board of Supervisors of Louisiana State University and Agricultural and Mecha...
- Ralph J. Portier
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
Bioreactor systems for biological nutrient removal
- Publication number 20020185434
- Publication date Dec 12, 2002
- Aquasol Evirotech Inc.
- Huazhong Mao
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE