Inventor · disambiguated record
Alfred Zitz
Also filed as: ZITZ ALFRED · ZITZ ALFRED J
64 granted patents·928 citations·filing 1975–1995
99Inventor score
Files withVOEST ALPINE AG29VOEST AG18VOEST ALPINE BERGTECHNIK7VOEST ALPINE ZELTWEG4VOEST ALPINE MASCHINENBAU3
Top patents by PatentIndex Score
64 records- 0198US4247150ABit arrangement for a cutting toolVOEST ALPINE AG·Filed 1979·Granted Jan 27, 1981·124 cites·8 claims
- 0284US4542942ABit holder equipped with a spraying deviceVOEST ALPINE AG·Filed 1983·Granted Sep 24, 1985·48 cites·8 claims
- 0379US4784439AMovable cutting machineVOEST ALPINE AG·Filed 1982·Granted Nov 15, 1988·21 cites·8 claims
- 0477US4159746ABit of circular cross-sectionVOEST AG·Filed 1977·Granted Jul 3, 1979·21 cites·7 claims
- 0573US4098539ACutting machineVOEST AG·Filed 1976·Granted Jul 4, 1978·15 cites·6 claims
- 0668US4591209AProtecting device for partial-cut cutting machinesVOEST ALPINE AG·Filed 1983·Granted May 27, 1986·26 cites·9 claims
- 0768US4404893AHydraulic mine propVOEST AG·Filed 1978·Granted Sep 20, 1983·13 cites·1 claims
- 0866US4225144ADevice for sealing the gap between component parts rotatable relative to each otherVOEST AG·Filed 1978·Granted Sep 30, 1980·18 cites·5 claims
- 0966US4111488AMethod for cutting minerals and cutting machineVOEST AG·Filed 1976·Granted Sep 5, 1978·11 cites·11 claims
- 1065US5333936ALow profile mining machine having a cutter mounted on a slidable carriageVOEST ALPINE BERGTECHNIK·Filed 1993·Granted Aug 2, 1994·29 cites·17 claims
- 1165US4302133ADevice for supporting a gallery or a tunnelVOEST ALPINE AG·Filed 1979·Granted Nov 24, 1981·12 cites·6 claims
- 1264US5050934AShearing machine with roof-bolt drilling and setting devicesVOEST ALPINE ZELTWEG·Filed 1990·Granted Sep 24, 1991·33 cites·13 claims
- 1364US4162104ACutting machineVOEST AG·Filed 1977·Granted Jul 24, 1979·17 cites·6 claims
- 1463US4261617AMethod of controlling the working motion of a cutting tool of a tunnel-driving machine over the breast, and apparatus for carrying out the methodVOEST AG·Filed 1979·Granted Apr 14, 1981·11 cites·18 claims
- 1562US4412700ASystem for monitoring the movement of a cutting tool of a tunnel-driving machine relative to a desired profileVOEST ALPINE AG·Filed 1981·Granted Nov 1, 1983·15 cites·17 claims
- 1662US4263005ADevice for provisionally consolidating a gallery and suitable consolidating frameVOEST AG·Filed 1978·Granted Apr 21, 1981·12 cites·15 claims
- 1762US4145197AImpeller for separating dust particles from an air streamVOEST AG·Filed 1977·Granted Mar 20, 1979·18 cites·10 claims
- 1860US4186971ADevice for cooling cutting teeth of cutter heads of cutting machinesVOEST AG·Filed 1978·Granted Feb 5, 1980·11 cites·6 claims
- 1960US4157773AGrease gunVOEST AG·Filed 1977·Granted Jun 12, 1979·15 cites·10 claims
- 2058US5108154ADrive arrangement for shearing drumsVOEST ALPINE ZELTWEG·Filed 1990·Granted Apr 28, 1992·17 cites·12 claims
- 2158US4193778ADevice for removing dust-shaped particles from an air stream serving for the ventilation of minesVOEST AG·Filed 1977·Granted Mar 18, 1980·16 cites·8 claims
- 2258US4020640AShield structureVOEST ALPINE MONTAN AG·Filed 1976·Granted May 3, 1977·10 cites·4 claims
- 2357US4966417ADevice for guying a drift advancing machine within a driftVOEST ALPINE MASCHINENBAU·Filed 1989·Granted Oct 30, 1990·21 cites·7 claims
- 2455US5098166ADevice for feeding fluid for the spraying of picks in a shearing drumVOEST ALPINE ZELTWEG·Filed 1990·Granted Mar 24, 1992·25 cites·10 claims
- 2555US4664449ADrift advancing or mining machineVOEST ALPINE AG·Filed 1985·Granted May 12, 1987·21 cites·11 claims
- 2655US4456306ACooling system for cooling the bits of a cutting machineVOEST ALPINE AG·Filed 1982·Granted Jun 26, 1984·18 cites·11 claims
- 2754US5228552ALoading device for miningVOEST ALPINE BERFTECHNIK GES M·Filed 1992·Granted Jul 20, 1993·18 cites·8 claims
- 2852US4776445ADevice for transferring the cup heap of debris onto a drift conveying meansVOEST ALPINE AG·Filed 1986·Granted Oct 11, 1988·19 cites·7 claims
- 2952US4721340AProcess for controlling the movement of an universally swivellable cutting arm as well as control device for performing this processVOEST ALPINE AG·Filed 1986·Granted Jan 26, 1988·17 cites·8 claims
- 3052US4285549AAssembly for cooling the teeth of the cutting head and the rock faceVOEST ALPINE AG·Filed 1979·Granted Aug 25, 1981·6 cites·15 claims
- 3151US5881832AMethod of controlling interlinked vehicles in mining and tunnelling as well as arrangement for carrying out this methodVOEST ALPINE BERGTECHNIK GES G·Filed 1995·Granted Mar 16, 1999·26 cites·5 claims
- 3251US4289357AHollow cutting headVOEST ALPINE AG·Filed 1980·Granted Sep 15, 1981·17 cites·9 claims
- 3348US4643567ADevice for controlling the position of a tunnelling machineVOEST ALPINE AG·Filed 1984·Granted Feb 17, 1987·9 cites·5 claims
- 3447US4236627ACutting machineVOEST AG·Filed 1976·Granted Dec 2, 1980·8 cites·5 claims
- 3546US4111227APressure relief valve for hydraulic mine supporting elementsVOEST AG·Filed 1976·Granted Sep 5, 1978·10 cites·11 claims
- 3643US5498069ABit holder with a detachably fixed bit bushingVOEST ALPINE BERGTECHNIK·Filed 1994·Granted Mar 12, 1996·15 cites·3 claims
- 3743US5072994AShearing machine with movable shearing drum and conveyorVOEST ALPINE ZELTWEG·Filed 1990·Granted Dec 17, 1991·14 cites·9 claims
- 3842US5000306AChain conveyor for loading devices and/or conveying devicesVOEST ALPINE MASCHINENBAU·Filed 1989·Granted Mar 19, 1991·7 cites·13 claims
- 3942US4770469AProcess for controlling the movement of a universally swivellable cutting arm of a partial cut cutting machine as well as apparatus for performing this processVOEST ALPINE AG·Filed 1986·Granted Sep 13, 1988·14 cites·13 claims
- 4042US4662685ADevice for sealing a drift cross section driven by means of a cutting machineVOEST ALPINE AG·Filed 1985·Granted May 5, 1987·12 cites·6 claims
- 4142US4344354AValve arrangement for controlling the stroke of a telescoping propVOEST ALPINE AG·Filed 1980·Granted Aug 17, 1982·8 cites·9 claims
- 4241US4688855ADrift advancing or exploiting machineVOEST ALPINE AG·Filed 1986·Granted Aug 25, 1987·12 cites·30 claims
- 4341US4075856ADevice for consecutively supporting a driftVOEST AG·Filed 1976·Granted Feb 28, 1978·5 cites·14 claims
- 4440US4696518ACutting machineVOEST ALPINE AG·Filed 1986·Granted Sep 29, 1987·9 cites·13 claims
- 4540US4578627ADevice for correcting the control or the display of the position of a cutting tool of a cutting machineVOEST ALPINE AG·Filed 1984·Granted Mar 25, 1986·10 cites·9 claims
- 4638US5557979AGear boxVOEST ALPINE BERGTECHNIK·Filed 1995·Granted Sep 24, 1996·9 cites·10 claims
- 4738US5178494ARoof support for underground excavations such as coal minesVOEST ALPINE BERGTECHNIK·Filed 1991·Granted Jan 12, 1993·11 cites·8 claims
- 4838US4875738AArm-supported cutting roll with effective length pivotally adjustable along mining faceVOEST ALPINE MASCHINENBAU·Filed 1988·Granted Oct 24, 1989·8 cites·5 claims
- 4938US4613256ASupporting frameVOEST ALPINE AG·Filed 1984·Granted Sep 23, 1986·5 cites·8 claims
- 5038US4345839ADevice for controlling the position of a drift advancing machineVOEST ALPINE AG·Filed 1980·Granted Aug 24, 1982·4 cites·8 claims
Showing the top 50 of 64 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →