Inventor
SCHETINA OTTO
23 patents
⚠️ This page may combine multiple inventors who share the name “SCHETINA OTTO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VOEST ALPINE AG
17 patentsUS4247150AJan 27, 1981
Bit arrangement for a cutting tool
VOEST ALPINE AG124 citations96
US4591209AMay 27, 1986
Protecting device for partial-cut cutting machines
VOEST ALPINE AG26 citations92
US4542942ASep 24, 1985
Bit holder equipped with a spraying device
VOEST ALPINE AG48 citations92
US4555143ANov 26, 1985
Apparatus for cutting rock
VOEST ALPINE AG19 citations81
US4664449AMay 12, 1987
Drift advancing or mining machine
VOEST ALPINE AG21 citations80
US4721340AJan 26, 1988
Process for controlling the movement of an universally swivellable cutting arm as well as control device for performing this process
VOEST ALPINE AG17 citations74
US4711502ADec 8, 1987
Apparatus for cutting excavations having a substantially planar face
VOEST ALPINE AG7 citations71
US4662685AMay 5, 1987
Device for sealing a drift cross section driven by means of a cutting machine
VOEST ALPINE AG12 citations71
US4412700ANov 1, 1983
System for monitoring the movement of a cutting tool of a tunnel-driving machine relative to a desired profile
VOEST ALPINE AG15 citations71
US4456306AJun 26, 1984
Cooling system for cooling the bits of a cutting machine
VOEST ALPINE AG18 citations70
US4289357ASep 15, 1981
Hollow cutting head
VOEST ALPINE AG17 citations70
US4537447AAug 27, 1985
Device for cooling the bits of cutting machine
VOEST ALPINE AG4 citations63
US4285549AAug 25, 1981
Assembly for cooling the teeth of the cutting head and the rock face
VOEST ALPINE AG6 citations63
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
US4379594AApr 12, 1983
Process for sinking of shafts
VOEST ALPINE AG2 citations62
US4368918AJan 18, 1983
Process and apparatus for controlling the water supply to the cutting head of a cutting machine
VOEST ALPINE AG6 citations61
US4506932AMar 26, 1985
Device for cooling the bits of a cutting machine
VOEST ALPINE AG1 citations52
VOEST AG
5 patentsUS4157773AJun 12, 1979
Grease gun
VOEST AG15 citations74
US4091692AMay 30, 1978
Bit holder
VOEST AG13 citations74
US4236627ADec 2, 1980
Cutting machine
VOEST AG8 citations73
US4225144ASep 30, 1980
Device for sealing the gap between component parts rotatable relative to each other
VOEST AG18 citations73
US4098539AJul 4, 1978
Cutting machine
VOEST AG15 citations73