Duncan Holdsworth

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Guildford, GB

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Patents Grantslast 30 patents

Information Patent Grant
Process for acidizing
- Patent number 10,604,696
- Issue date Mar 31, 2020
- Cleansorb Limited
- Ralph Edmund Harris
- E21 - EARTH DRILLING MINING
Information Patent Grant
Process for treating an underground formation
- Patent number 9,982,183
- Issue date May 29, 2018
- Cleansorb Limited
- Duncan Holdsworth
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
Process for Acidizing
- Publication number 20160333256
- Publication date Nov 17, 2016
- CLEANSORB LIMITED
- Ralph Edmund Harris
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Process for Treating an Underground Formation
- Publication number 20140303049
- Publication date Oct 9, 2014
- CLEANSORB LIMITED
- Duncan Holdsworth
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...