Inventor

ZITZ ALFRED

60 patents

⚠️ This page may combine multiple inventors who share the name “ZITZ ALFRED”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ZITZ ALFRED

VOEST ALPINE AG

Bit arrangement for a cutting tool

Protecting device for partial-cut cutting machines

Bit holder equipped with a spraying device

Movable cutting machine

Drift advancing or mining machine

Process for controlling the movement of an universally swivellable cutting arm as well as control device for performing this process

Cutting machine

Device for transferring the cup heap of debris onto a drift conveying means

Device for controlling the position of a tunnelling machine

Device for correcting the control or the display of the position of a cutting tool of a cutting machine

Apparatus for cutting excavations having a substantially planar face

Drift advancing or exploiting machine

Device for sealing a drift cross section driven by means of a cutting machine

System for monitoring the movement of a cutting tool of a tunnel-driving machine relative to a desired profile

Cooling system for cooling the bits of a cutting machine

Hollow cutting head

Valve arrangement for controlling the stroke of a telescoping prop

Device for supporting a gallery or a tunnel

Process for controlling the movement of a universally swivellable cutting arm of a partial cut cutting machine as well as apparatus for performing this process

Device for cooling the bits of cutting machine

Assembly for cooling the teeth of the cutting head and the rock face

Process for spraying the bits and/or the facing with pressurized liquid as well as apparatus for performing this process

Process for sinking of shafts

VOEST AG

Bit of circular cross-section

Grease gun

Cutting machine

Device for sealing the gap between component parts rotatable relative to each other

Method for cutting minerals and cutting machine

Cutting machine

Hydraulic mine prop

Method of controlling the working motion of a cutting tool of a tunnel-driving machine over the breast, and apparatus for carrying out the method

Device for removing dust-shaped particles from an air stream serving for the ventilation of mines

Pressure relief valve for hydraulic mine supporting elements

Device for cooling cutting teeth of cutter heads of cutting machines

VOEST ALPINE BERGTECHNIK

Low profile mining machine having a cutter mounted on a slidable carriage

Roof support for underground excavations such as coal mines

Dry dust removal device

Bit holder with a detachably fixed bit bushing

Gear box

Roof bolt drilling and setting apparatus

VOEST ALPINE ZELTWEG

Device for feeding fluid for the spraying of picks in a shearing drum

Shearing machine with roof-bolt drilling and setting devices

Shearing machine with movable shearing drum and conveyor

Drive arrangement for shearing drums

VOEST ALPINE MASCHINENBAU

Device for guying a drift advancing machine within a drift

Chain conveyor for loading devices and/or conveying devices

Arm-supported cutting roll with effective length pivotally adjustable along mining face

VOEST ALPINE BERGTECHNIK GES G

Method of controlling interlinked vehicles in mining and tunnelling as well as arrangement for carrying out this method

VOEST ALPINE MONTAN AG

Shield structure

VOEST ALPINE BERFTECHNIK GES M

Loading device for mining