Inventor · disambiguated record
Hans-Rudolf Drayer
Also filed as: DRAEYER HANS-RUDOLF · DRAYER HANS
2 granted patents·21 citations·filing 1993–1998
59Inventor score
Top patents by PatentIndex Score
2 records- 0139US5325790ARollback-preventing apparatus for a rail vehicleMACK HEINRICH GMBH & CO·Filed 1993·Granted Jul 5, 1994·16 cites·7 claims
- 0222US5988212AConnecting unit having a gas pressure regulating apparatus mounted between a gas cylinder and a gas burner apparatusBOA AG·Filed 1998·Granted Nov 23, 1999·5 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →