Assignee
VOEST ALPINE MASCHINENBAU
AT·14 granted patents·153 citations·filing 1988–1989
Top patents by PatentIndex Score
14 records- 0168US4986498ADevice for determining the condition of railway switches or railway crossingsVOEST ALPINE MASCHINENBAU·Filed 1989·Granted Jan 22, 1991·28 cites·22 claims
- 0261US4953814ARailway switch comprising a frog having a movable main point and auxiliary pointVOEST ALPINE MASCHINENBAU·Filed 1989·Granted Sep 4, 1990·28 cites·5 claims
- 0357US4966417ADevice for guying a drift advancing machine within a driftVOEST ALPINE MASCHINENBAU·Filed 1989·Granted Oct 30, 1990·21 cites·7 claims
- 0452US4982919AReversing device for movable parts of a railway switchVOEST ALPINE MASCHINENBAU·Filed 1988·Granted Jan 8, 1991·19 cites·11 claims
- 0542US5000306AChain conveyor for loading devices and/or conveying devicesVOEST ALPINE MASCHINENBAU·Filed 1989·Granted Mar 19, 1991·7 cites·13 claims
- 0641US4958696ASwitching arrangement for the hydraulic drive means of a full-track vehicleVOEST ALPINE MASCHINENBAU·Filed 1989·Granted Sep 25, 1990·9 cites·3 claims
- 0738US4875738AArm-supported cutting roll with effective length pivotally adjustable along mining faceVOEST ALPINE MASCHINENBAU·Filed 1988·Granted Oct 24, 1989·8 cites·5 claims
- 0833US4927102AReversing device for movable parts within the deflection area of a railway switchVOEST ALPINE MASCHINENBAU·Filed 1988·Granted May 22, 1990·5 cites·12 claims
- 0932US4953916ADrive arrangement for driving cutting rollsVOEST ALPINE MASCHINENBAU·Filed 1988·Granted Sep 4, 1990·4 cites·9 claims
- 1031US4981264ADevice for fixing stock rails in railway switches as well as process for fixing stock rails by means of such deviceVOEST ALPINE MASCHINENBAU·Filed 1989·Granted Jan 1, 1991·6 cites·5 claims
- 1130US4917339AReversing device for swivelable rails or movable frogs within the crossing area of a railway switchVOEST ALPINE MASCHINENBAU·Filed 1988·Granted Apr 17, 1990·5 cites·9 claims
- 1228US4956849AProcess and apparatus for graphitizing carbon bodiesVOEST ALPINE MASCHINENBAU·Filed 1989·Granted Sep 11, 1990·5 cites·9 claims
- 1327US4998777ACoal-cutting machine having horizontally swivellable jib boom and vertically swivellable loading meansVOEST ALPINE MASCHINENBAU·Filed 1989·Granted Mar 12, 1991·7 cites·9 claims
- 1426US4940183AArrangement for fastening railsVOEST ALPINE MASCHINENBAU·Filed 1989·Granted Jul 10, 1990·1 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →