Assignee
HURTH MASCH ZAHNRAD CARL
85 granted patents·1,041 citations·filing 1974–1990
Top patents by PatentIndex Score
85 records- 0193US4325589ASupport of a machine part which rotates on a bolt or the likeHURTH MASCH ZAHNRAD CARL·Filed 1980·Granted Apr 20, 1982·61 cites·11 claims
- 0290US4169519ALubricating device for transmissions or the like in starting conditionHURTH MASCH ZAHNRAD CARL·Filed 1978·Granted Oct 2, 1979·52 cites·4 claims
- 0388US4461367ADrive train for a steerable drive wheel of a vehicleHURTH MASCH ZAHNRAD CARL·Filed 1982·Granted Jul 24, 1984·48 cites·7 claims
- 0486US4383520AApparatus for the independent rotation of an aggregate about two axes which are positioned perpendicularly to one anotherHURTH MASCH ZAHNRAD CARL·Filed 1980·Granted May 17, 1983·45 cites·10 claims
- 0585US3960029AGear driveHURTH MASCH ZAHNRAD CARL·Filed 1975·Granted Jun 1, 1976·37 cites·4 claims
- 0680US4148262ARailway vehicle driveHURTH MASCH ZAHNRAD CARL·Filed 1976·Granted Apr 10, 1979·31 cites·11 claims
- 0780US4129394APivot pin for joints, particularly universal joints or the likeHURTH MASCH ZAHNRAD CARL·Filed 1977·Granted Dec 12, 1978·40 cites·5 claims
- 0878US4384498ASpur gear planetary gearing with load balanceHURTH MASCH ZAHNRAD CARL·Filed 1981·Granted May 24, 1983·28 cites·4 claims
- 0973US5048626ADrive system for an industrial vehicle, in particular for a pedestrian controlled forkliftHURTH MASCH ZAHNRAD CARL·Filed 1990·Granted Sep 17, 1991·45 cites·7 claims
- 1069US4914968AOil supply arrangement for gear-shift mechanismHURTH MASCH ZAHNRAD CARL·Filed 1989·Granted Apr 10, 1990·29 cites·7 claims
- 1169US4118996AReversing gear in particular for a Z-drive for watercraftsHURTH MASCH ZAHNRAD CARL·Filed 1977·Granted Oct 10, 1978·18 cites·2 claims
- 1268US4610577AGear or rack-shaped tool for precision machining of tooth flanks particularly of hardened gearsHURTH MASCH ZAHNRAD CARL·Filed 1984·Granted Sep 9, 1986·23 cites·3 claims
- 1367US3933217ADrive gear system for motor vehiclesHURTH MASCH ZAHNRAD CARL·Filed 1974·Granted Jan 20, 1976·18 cites·8 claims
- 1466US4817846ATransmission shaft sealing arrangementHURTH MASCH ZAHNRAD CARL·Filed 1987·Granted Apr 4, 1989·23 cites·15 claims
- 1566US4442935APallet magazineHURTH MASCH ZAHNRAD CARL·Filed 1981·Granted Apr 17, 1984·18 cites·7 claims
- 1665US4068558ADevice for deburring or chamfering of the face edges of gearsHURTH MASCH ZAHNRAD CARL·Filed 1976·Granted Jan 17, 1978·17 cites·11 claims
- 1764US5012906AApparatus for disengaging a friction clutch which couples an exhaust gas turbine to an internal combustion engineHURTH MASCH ZAHNRAD CARL·Filed 1989·Granted May 7, 1991·17 cites·19 claims
- 1864US4289223AShiftable friction clutch for gear drivesHURTH MASCH ZAHNRAD CARL·Filed 1979·Granted Sep 15, 1981·14 cites·4 claims
- 1963US4533034AMethod and apparatus for automatically supplying and removing pallets of a pallet magazine to and from the working space of a machine toolHURTH MASCH ZAHNRAD CARL·Filed 1982·Granted Aug 6, 1985·17 cites·11 claims
- 2061US4278028AResilient railway truck articulated shaft housingHURTH MASCH ZAHNRAD CARL·Filed 1977·Granted Jul 14, 1981·20 cites·12 claims
- 2159US4616730AControl chain connectionHURTH MASCH ZAHNRAD CARL·Filed 1985·Granted Oct 14, 1986·17 cites·6 claims
- 2257US4519733AMethod and apparatus for automatically exchanging a workpiece in a machine toolHURTH MASCH ZAHNRAD CARL·Filed 1982·Granted May 28, 1985·16 cites·14 claims
- 2356US4287973AShiftable friction clutch in particular for gear drivesHURTH MASCH ZAHNRAD CARL·Filed 1979·Granted Sep 8, 1981·12 cites·9 claims
- 2455US4630404AApparatus for manufacturing and machining gearsHURTH MASCH ZAHNRAD CARL·Filed 1984·Granted Dec 23, 1986·13 cites·4 claims
- 2554US4947590AMethod for the precision working of crowned tooth flanks on particularly hardened gearsHURTH MASCH ZAHNRAD CARL·Filed 1988·Granted Aug 14, 1990·16 cites·11 claims
- 2654US4575289AApparatus for orienting the position of a machine tool carriage relative to a stationary machine partHURTH MASCH ZAHNRAD CARL·Filed 1984·Granted Mar 11, 1986·13 cites·6 claims
- 2753US4176549AHydraulic rigging deviceHURTH MASCH ZAHNRAD CARL·Filed 1978·Granted Dec 4, 1979·11 cites·12 claims
- 2851US4155677AToothed tool for the cutting deburring of gearsHURTH MASCH ZAHNRAD CARL·Filed 1977·Granted May 22, 1979·10 cites·6 claims
- 2950US4817772AShiftable friction clutchHURTH MASCH ZAHNRAD CARL·Filed 1987·Granted Apr 4, 1989·12 cites·10 claims
- 3050US4515573ADifferential couplingHURTH MASCH ZAHNRAD CARL·Filed 1984·Granted May 7, 1985·11 cites·1 claims
- 3149US4137822AMandrel for receiving the tool in a hobbing machine or a similar machineHURTH MASCH ZAHNRAD CARL·Filed 1977·Granted Feb 6, 1979·10 cites·6 claims
- 3248US4697527ADrive unit for a rail vehicleHURTH MASCH ZAHNRAD CARL·Filed 1986·Granted Oct 6, 1987·11 cites·20 claims
- 3348US4649671AMethod for the precision working of the flanks of gears with a gear-shaped tool coated with hard-material granules and a method for dressing such a toolHURTH MASCH ZAHNRAD CARL·Filed 1985·Granted Mar 17, 1987·11 cites·3 claims
- 3447US4950112AMachine for the precision working of the tooth flanks of toothed workpiecesHURTH MASCH ZAHNRAD CARL·Filed 1989·Granted Aug 21, 1990·10 cites·10 claims
- 3547US4545708AMethod for producing crowned tooth flanks on a toothed workpiece, and a machine suited thereforHURTH MASCH ZAHNRAD CARL·Filed 1982·Granted Oct 8, 1985·13 cites·11 claims
- 3647US4334810AGear deburring apparatus and methodHURTH MASCH ZAHNRAD CARL·Filed 1980·Granted Jun 15, 1982·12 cites·10 claims
- 3747US4278027AResilient railway truck double axle driveHURTH MASCH ZAHNRAD CARL·Filed 1979·Granted Jul 14, 1981·9 cites·19 claims
- 3846US4878571AShiftable friction clutch for gear drivesHURTH MASCH ZAHNRAD CARL·Filed 1987·Granted Nov 7, 1989·9 cites·19 claims
- 3946US4409904ADouble-axle drive for railway trucks of railraod vehiclesHURTH MASCH ZAHNRAD CARL·Filed 1981·Granted Oct 18, 1983·10 cites·4 claims
- 4044US4689918AApparatus for manufacturing and working of gearsHURTH MASCH ZAHNRAD CARL·Filed 1986·Granted Sep 1, 1987·8 cites·12 claims
- 4144US4287659AMethod and apparatus for exchanging tools in hobbing machinesHURTH MASCH ZAHNRAD CARL·Filed 1979·Granted Sep 8, 1981·9 cites·14 claims
- 4244US4245938ADevice for positioning a tool carriageHURTH MASCH ZAHNRAD CARL·Filed 1979·Granted Jan 20, 1981·9 cites·12 claims
- 4343US4045917AGear grinding machineHURTH MASCH ZAHNRAD CARL·Filed 1975·Granted Sep 6, 1977·7 cites·8 claims
- 4442US5014467AMethod and machine for the discontinuous generating grinding with indexingHURTH MASCH ZAHNRAD CARL·Filed 1988·Granted May 14, 1991·11 cites·4 claims
- 4542US4354846ANonsteerable drive mechanism for a watercraftHURTH MASCH ZAHNRAD CARL·Filed 1981·Granted Oct 19, 1982·7 cites·10 claims
- 4640US4776137AMethod for manufacturing and working of gearsHURTH MASCH ZAHNRAD CARL·Filed 1987·Granted Oct 11, 1988·6 cites·6 claims
- 4740US4757644AMethod and apparatus for manufacturing and machining gearsHURTH MASCH ZAHNRAD CARL·Filed 1987·Granted Jul 19, 1988·7 cites·4 claims
- 4840US4693231AGearlike, abrasive precision working tool, a method for dressing of such a tool and a dressing tool for dressing the toolHURTH MASCH ZAHNRAD CARL·Filed 1985·Granted Sep 15, 1987·10 cites·6 claims
- 4940US4295834ADrive mechanism for a watercraft with a surface propellerHURTH MASCH ZAHNRAD CARL·Filed 1979·Granted Oct 20, 1981·8 cites·14 claims
- 5040US4091904ASynchronizing deviceHURTH MASCH ZAHNRAD CARL·Filed 1976·Granted May 30, 1978·7 cites·6 claims
Showing the top 50 of 85 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when HURTH MASCH ZAHNRAD CARL files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →