Howard Peter DUFFIELD

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Ware, Hertfordshire, GB

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Patents Grantslast 30 patents

Information Patent Grant
Metering method for particulate material
- Patent number 7,621,300
- Issue date Nov 24, 2009
- Glaxo Group Limited
- Stanley George Bonney
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method and apparatus for transferring a defined quantity of powder
- Patent number 6,886,612
- Issue date May 3, 2005
- SmithKline Beecham Corporation
- Howard Peter Duffield
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
Guide Device For A Liquid Dispenser
- Publication number 20150328044
- Publication date Nov 19, 2015
- GLAXO GROUP LIMITED
- James Coop
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Method for loading a medicament dispenser with a medicament carrier
- Publication number 20060163269
- Publication date Jul 27, 2006
- Gregor John McLennan Anderson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Metering method for particulate material
- Publication number 20040168739
- Publication date Sep 2, 2004
- Stanley George Bonney
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Method and apparatus for transferring a defined quantity of powder
- Publication number 20030131905
- Publication date Jul 17, 2003
- Howard Peter Duffield
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE