Inventor · disambiguated record
John R. Haan
Also filed as: HAAN JOHN · HAAN JOHN R
2 granted patents·1 pending application·3 citations·filing 1976–2012
42Inventor score
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3 records- 0131US2013236809A1Direct Formate Fuel Cell Employing Formate Salt Fuel, An Anion Exchange Membrane, And Metal CatalystsHAAN JOHN·Filed 2012·Application pending·0 cites
- 0215US4023688ASilo filling apparatusEVEN FLO SILAGE DISTRIBUTOR IN·Filed 1976·Granted May 17, 1977·1 cites·11 claims
- 0314US4256419AEndplate stop for silage distributorHAAN JOHN R·Filed 1979·Granted Mar 17, 1981·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →