Inventor · disambiguated record
Friedhelm Henrich
Also filed as: HENRICH FRIEDHELM · SCHUPPHAUS HERBERT
4 granted patents·24 citations·filing 1974–1988
72Inventor score
Technology areasE21C
Files withEICKHOFF GEB4
Top patents by PatentIndex Score
4 records- 0152US4166652AMining machine, particularly for the working of low mine seamsEICKHOFF GEB·Filed 1978·Granted Sep 4, 1979·7 cites·15 claims
- 0246US3945680ADrum coal cutting machine having a roller crusherEICKHOFF GEB·Filed 1974·Granted Mar 23, 1976·12 cites·12 claims
- 0335US4085974ADrum cutterEICKHOFF GEB·Filed 1977·Granted Apr 25, 1978·3 cites·11 claims
- 0419US4883323ALongwall mining machine for the mining of thick mineral seamsEICKHOFF GEB·Filed 1988·Granted Nov 28, 1989·2 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →