Inventor
SIGOTT SIEGFRIED
12 patents
⚠️ This page may combine multiple inventors who share the name “SIGOTT SIEGFRIED”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VOEST AG
10 patentsUS3958832AMay 25, 1976
Drum mining head with cutter pattern
VOEST AG24 citations78
US4236627ADec 2, 1980
Cutting machine
VOEST AG8 citations73
US4111488ASep 5, 1978
Method for cutting minerals and cutting machine
VOEST AG11 citations73
US4057260ANov 8, 1977
Device for connecting the bits with the cutting head of a drift advancing machine or the like
VOEST AG16 citations73
US4404893ASep 20, 1983
Hydraulic mine prop
VOEST AG13 citations72
US4111227ASep 5, 1978
Pressure relief valve for hydraulic mine supporting elements
VOEST AG10 citations72
US4152126AMay 1, 1979
Equipment for removing dust particles from an air stream
VOEST AG8 citations71
US4263005AApr 21, 1981
Device for provisionally consolidating a gallery and suitable consolidating frame
VOEST AG12 citations65
US4075856AFeb 28, 1978
Device for consecutively supporting a drift
VOEST AG5 citations56
US3972429AAug 3, 1976
Dividing cutting machine
VOEST AG4 citations56