Inventor · disambiguated record
Egon Pfefferle
Also filed as: PFEFFERLE EGON
4 granted patents·40 citations·filing 1981–1990
75Inventor score
Technology areasE21C
Files withGEWERK EISENHUETTE WESTFALIA4
Top patents by PatentIndex Score
4 records- 0147US5092660ACutter bit assemblies and arrangements for use with mining or tunnelling machinesGEWERK EISENHUETTE WESTFALIA·Filed 1990·Granted Mar 3, 1992·17 cites·20 claims
- 0240US4462637AControl apparatus for inclination of longwall guideGEWERK EISENHUETTE WESTFALIA·Filed 1981·Granted Jul 31, 1984·12 cites·3 claims
- 0336US4819990AFloor cutters for mineral winning ploughsGEWERK EISENHUETTE WESTFALIA·Filed 1987·Granted Apr 11, 1989·8 cites·4 claims
- 0426US4715659AMineral mining installationsGEWERK EISENHUETTE WESTFALIA·Filed 1986·Granted Dec 29, 1987·3 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →