Inventor
SCHOEFFMANN FRANZ
AT7 patents
⚠️ This page may combine multiple inventors who share the name “SCHOEFFMANN FRANZ”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VOEST ALPINE AG
6 patentsUS4735458AApr 5, 1988
Device for intermittently subjecting axially shiftable bits of a cutting head to the action of pressurized fluids
VOEST ALPINE AG14 citations73
US4577892AMar 25, 1986
Arrangement for supplying a pressurized liquid to a rotating machine part
VOEST ALPINE AG12 citations70
US4572583AFeb 25, 1986
Cutting head for drift advancing machines and process for producing same
VOEST ALPINE AG8 citations69
US4568127AFeb 4, 1986
Cutting head for drift advancing machines
VOEST ALPINE AG10 citations67
US4585275AApr 29, 1986
Process for spraying the bits and/or the facing with pressurized liquid as well as apparatus for performing this process
VOEST ALPINE AG5 citations62
US4552263ANov 12, 1985
Drive arrangement for the loading arms of a loading ramp for heading machines or longwall shearing machines
VOEST ALPINE AG0 citations48