EP

Egon Pfefferle

GG Gewerkschaft Eisenhutte Westfalia Gmbh: 4 patents #32 of 163Top 20%
📍 Hamm, DE: #21 of 198 inventorsTop 15%
Overall (All Time): #1,297,633 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5092660 Cutter bit assemblies and arrangements for use with mining or tunnelling machines Bernd Steinkuhl, Christoph Rassmann, Oswald Breuer 1992-03-03
4819990 Floor cutters for mineral winning ploughs Oswald Breuer, Christoph Rassmann, Gunther-Dietmar Schoop 1989-04-11
4715659 Mineral mining installations Christoph Rassmann, Gerhard Nickel, Bernd Steinkuhl, Gerhard Merten 1987-12-29
4462637 Control apparatus for inclination of longwall guide Werner Rafael 1984-07-31