Inventor · disambiguated record
Howard Duffield
Also filed as: DUFFIELD HOWARD P · DUFFIELD HOWARD PETER
2 granted patents·2 pending applications·65 citations·filing 2001–2013
66Inventor score
Top patents by PatentIndex Score
4 records- 0190US7621300B2Metering method for particulate materialGLAXO GROUP LTD·Filed 2002·Granted Nov 24, 2009·35 cites·20 claims
- 0259US6886612B2Method and apparatus for transferring a defined quantity of powderSMITHKLINE BEECHAM CORP·Filed 2001·Granted May 3, 2005·30 cites·67 claims
- 0345US2015328044A1Guide Device For A Liquid DispenserGLAXO GROUP LTD·Filed 2013·Application pending·0 cites
- 0438US2006163269A1Method for loading a medicament dispenser with a medicament carrierANDERSON GREGOR JOHN M·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →