David Anthony Stafford

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Cardiff, GB

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for and a method of treating organic waste
- Patent number 7,150,832
- Issue date Dec 19, 2006
- Enviro Control Limited
- David Anthony Stafford
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Apparatus for anaerobic digestion of organic waste
- Patent number 4,726,899
- Issue date Feb 23, 1988
- Cardiff Laboratories for Energy & Resources Limited
- David A. Stafford
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Apparatuses for the anaerobic digestion of natural organic waste
- Patent number 4,233,155
- Issue date Nov 11, 1980
- Hamworthy Engineering Limited
- Dennis L. Hawkes
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
Apparatus for and a method of treating organic waste
- Publication number 20060138046
- Publication date Jun 29, 2006
- ENVIRO CONTROL LIMITED
- David Anthony Stafford
- C05 - FERTILISERS MANUFACTURE THEREOF