Inventor · disambiguated record
Roger A. Howells
Also filed as: HOWELLS ROGER A
9 granted patents·266 citations·filing 1987–2007
90Inventor score
Files withAIR PROD & CHEM9
Top patents by PatentIndex Score
9 records- 0187US4891223AControlled release delivery coating formulation for bioactive substancesAIR PROD & CHEM·Filed 1987·Granted Jan 2, 1990·140 cites·6 claims
- 0270US5417074ALiquid nitrogen immersion/impingement freezing method and apparatusAIR PROD & CHEM·Filed 1993·Granted May 23, 1995·30 cites·13 claims
- 0358US4755118AExtrusion cooler with atmosphere recycle and openable topAIR PROD & CHEM·Filed 1987·Granted Jul 5, 1988·30 cites·11 claims
- 0453US5343714ASpiral freezerAIR PROD & CHEM·Filed 1992·Granted Sep 6, 1994·24 cites·7 claims
- 0549US5267490ASampling apparatus for cryogenic food freezersAIR PROD & CHEM·Filed 1992·Granted Dec 7, 1993·15 cites·2 claims
- 0637US4958466AExhaust gas media separator with recycling and dust collectionAIR PROD & CHEM·Filed 1989·Granted Sep 25, 1990·6 cites·3 claims
- 0735US4959931AMethod and apparatus for preventing binding and overloading of media feed screw conveyorAIR PROD & CHEM·Filed 1989·Granted Oct 2, 1990·5 cites·1 claims
- 0833USD582257SDevice for holding a dispensing nozzleAIR PROD & CHEM·Filed 2007·Granted Dec 9, 2008·4 cites·1 claims
- 0933US4880162AGas atomization nozzle for metal powder productionAIR PROD & CHEM·Filed 1988·Granted Nov 14, 1989·12 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →