David Hadfield

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Sawasdee, GB

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Patents Grantslast 30 patents

Information Patent Grant
Methods and apparatus for conditioning and degassing liquids and ga...
- Patent number 8,728,327
- Issue date May 20, 2014
- Cyclotech Limited
- David Hadfield
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Methods and apparatus for conditioning and degassing liquids and ga...
- Patent number 7,766,121
- Issue date Aug 3, 2010
- Cyclotech Limited
- David Hadfield
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Conveyor apparatus
- Patent number 7,401,704
- Issue date Jul 22, 2008
- Cyclotech Limited
- David Hadfield
- E21 - EARTH DRILLING MINING
Information Patent Grant
Fluid processing for separating emulsions
- Patent number 6,767,459
- Issue date Jul 27, 2004
- Cyclotech Limited
- Alastair Brenton Sinker
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Conveyor apparatus
- Patent number 6,619,889
- Issue date Sep 16, 2003
- Cyclotech Limited
- Alastair Brenton Sinker
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Hydrocyclone With Wear Detector
- Publication number 20140151274
- Publication date Jun 5, 2014
- M-I DRILLING FLUIDS UK LIMITED
- David Hadfield
- B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information Patent Application
METHODS AND APPARATUS FOR CONDITIONING AND DEGASSING LIQUIDS AND GA...
- Publication number 20100264095
- Publication date Oct 21, 2010
- David HADFIELD
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Methods and apparatus for conditioning and degassing liquids and ga...
- Publication number 20070138108
- Publication date Jun 21, 2007
- David Hadfield
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Conveyor apparatus
- Publication number 20060006126
- Publication date Jan 12, 2006
- David Hadfield
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL