Inventor
BREUER OSWALD
DE19 patents
⚠️ This page may combine multiple inventors who share the name “BREUER OSWALD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GEWERK EISENHUETTE WESTFALIA
18 patentsUS4762372AAug 9, 1988
Cutter-bit assemblies
GEWERK EISENHUETTE WESTFALIA28 citations92
US4626034ADec 2, 1986
Cutter-bit assemblies
GEWERK EISENHUETTE WESTFALIA28 citations90
US4076318AFeb 28, 1978
Cutter bit assemblies for coal ploughs
GEWERK EISENHUETTE WESTFALIA26 citations81
US4583785AApr 22, 1986
Mineral winning plough
GEWERK EISENHUETTE WESTFALIA14 citations74
US4557525ADec 10, 1985
Cutter bit assembly
GEWERK EISENHUETTE WESTFALIA10 citations74
US4456307AJun 26, 1984
Cutter bit assembly
GEWERK EISENHUETTE WESTFALIA12 citations74
US4548444AOct 22, 1985
Mineral winning plough
GEWERK EISENHUETTE WESTFALIA8 citations73
US4179161ADec 18, 1979
Plough for winning material from a mineral face
GEWERK EISENHUETTE WESTFALIA7 citations73
US5092660AMar 3, 1992
Cutter bit assemblies and arrangements for use with mining or tunnelling machines
GEWERK EISENHUETTE WESTFALIA17 citations72
US4819990AApr 11, 1989
Floor cutters for mineral winning ploughs
GEWERK EISENHUETTE WESTFALIA8 citations72
US4275927AJun 30, 1981
Mineral mining plough with worm adjustable roof cutter
GEWERK EISENHUETTE WESTFALIA9 citations68
US4453771AJun 12, 1984
Mineral winning plough with sword plate formed of plural parts
GEWERK EISENHUETTE WESTFALIA5 citations63
US4376553AMar 15, 1983
Floor cutter bit
GEWERK EISENHUETTE WESTFALIA5 citations63
US4332421AJun 1, 1982
Coupling devices for connecting a mineral mining machine to a drive chain
GEWERK EISENHUETTE WESTFALIA2 citations63
US4403809ASep 13, 1983
Mineral winning plough
GEWERK EISENHUETTE WESTFALIA6 citations62
US4199194AApr 22, 1980
Control means for a coal plough
GEWERK EISENHUETTE WESTFALIA2 citations62
US4035025AJul 12, 1977
Mineral winning ploughs
GEWERK EISENHUETTE WESTFALIA5 citations62
US4458951AJul 10, 1984
Apparatus for controlling the position of a mineral mining machine
GEWERK EISENHUETTE WESTFALIA5 citations61