Inventor · disambiguated record

Helmut Trapp

Also filed as: TRAPP HELMUT

2 granted patents·31 citations·filing 1986–1986

54Inventor score

Technology areasB65G E21D

Files withVOEST ALPINE AG2

Top patents by PatentIndex Score

2 records

0158US4758049AApparatus for the underground operation of a movable mining machineVOEST ALPINE AG·Filed 1986·Granted Jul 19, 1988·31 cites·14 claims
0220US4700826ADevice for conveying heaps of debrisVOEST ALPINE AG·Filed 1986·Granted Oct 20, 1987·0 cites·9 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →