Assignee
ALLIS CHALMERS
532 granted patents·10,562 citations·filing 1973–1986
Top patents by PatentIndex Score
532 records- 0198US3967173ATransistor bridge inverter motor drive having reduced harmonicsALLIS CHALMERS·Filed 1975·Granted Jun 29, 1976·109 cites·29 claims
- 0297US4360852AOvercurrent and overtemperature protective circuit for power transistor systemALLIS CHALMERS·Filed 1981·Granted Nov 23, 1982·101 cites·8 claims
- 0397US3999643AElectrical interlock safety control to prevent operation of mower during reverse travelALLIS CHALMERS·Filed 1975·Granted Dec 28, 1976·69 cites·4 claims
- 0497US3971972ATransistor inverter motor drive having voltage boost at low speedsALLIS CHALMERS·Filed 1975·Granted Jul 27, 1976·65 cites·32 claims
- 0596USD275199STractor cabALLIS CHALMERS·Filed 1982·Granted Aug 21, 1984·77 cites·1 claims
- 0696US4458471ACombine speed controlALLIS CHALMERS·Filed 1981·Granted Jul 10, 1984·69 cites·26 claims
- 0794US4441307AHarvester header with floating cutter barALLIS CHALMERS·Filed 1983·Granted Apr 10, 1984·85 cites·4 claims
- 0894US4430952APlanter gauge wheels with adjustable equalizer mechanismALLIS CHALMERS·Filed 1982·Granted Feb 14, 1984·98 cites·3 claims
- 0994US4173259ARear drive assembly with load sensingALLIS CHALMERS·Filed 1977·Granted Nov 6, 1979·88 cites·9 claims
- 1094US3943392ACombination slot liner and retainer for dynamoelectric machine conductor barsALLIS CHALMERS·Filed 1974·Granted Mar 9, 1976·73 cites·1 claims
- 1193US4311204AMotor vehicle with resilient cushions between its body and main frame structuresALLIS CHALMERS·Filed 1979·Granted Jan 19, 1982·51 cites·3 claims
- 1292US4441513ATailings monitor for combine harvesterALLIS CHALMERS·Filed 1982·Granted Apr 10, 1984·52 cites·9 claims
- 1392US4319142APower generation unit for spillway gate structuresALLIS CHALMERS·Filed 1980·Granted Mar 9, 1982·51 cites·11 claims
- 1492US4123692AAdjustable speed electric motor drive having constant harmonic contentALLIS CHALMERS·Filed 1976·Granted Oct 31, 1978·51 cites·29 claims
- 1592US4043224AMechanical differential lockALLIS CHALMERS·Filed 1975·Granted Aug 23, 1977·48 cites·10 claims
- 1691US4502270ACrop divider with illuminated pointsALLIS CHALMERS·Filed 1984·Granted Mar 5, 1985·50 cites·7 claims
- 1791US4383651APortable crushing and screening plantALLIS CHALMERS·Filed 1980·Granted May 17, 1983·55 cites·16 claims
- 1891US4318692AHelical duct gas/meal separatorALLIS CHALMERS·Filed 1981·Granted Mar 9, 1982·27 cites·13 claims
- 1991US3986819AGrate preheater kiln systemALLIS CHALMERS·Filed 1975·Granted Oct 19, 1976·24 cites·19 claims
- 2091US3974717AFour pinion differentialALLIS CHALMERS·Filed 1974·Granted Aug 17, 1976·72 cites·10 claims
- 2191US3945353ATwo phase nozzle cooling systemALLIS CHALMERS·Filed 1974·Granted Mar 23, 1976·77 cites·11 claims
- 2290US4428150AElectrode arrangement for electric weed killing apparatusALLIS CHALMERS·Filed 1983·Granted Jan 31, 1984·55 cites·7 claims
- 2390US4136508AClosed-loop combine header height controlALLIS CHALMERS·Filed 1977·Granted Jan 30, 1979·91 cites·36 claims
- 2490US4128793APower circuit for variable frequency, variable magnitude power conditioning systemALLIS CHALMERS·Filed 1977·Granted Dec 5, 1978·37 cites·16 claims
- 2590US4071309AMethod and apparatus for making cement with preheater, kiln and heat exchanger for heating combustion airALLIS CHALMERS·Filed 1976·Granted Jan 31, 1978·27 cites·8 claims
- 2690US4047638ASeed disc for an air planterALLIS CHALMERS·Filed 1976·Granted Sep 13, 1977·84 cites·6 claims
- 2790US3952509AHydraulic system combining open center and closed center hydraulic circuitsALLIS CHALMERS·Filed 1975·Granted Apr 27, 1976·50 cites·16 claims
- 2890US3947744AElectric truck having elevated load potential energy recovery with means to adjust rate of carriage descentALLIS CHALMERS·Filed 1974·Granted Mar 30, 1976·66 cites·14 claims
- 2989US4598875APortable crushing and screening plantALLIS CHALMERS·Filed 1981·Granted Jul 8, 1986·72 cites·7 claims
- 3089US4557740AWeather louverALLIS CHALMERS·Filed 1984·Granted Dec 10, 1985·64 cites·3 claims
- 3189US4219990ABearing mount for a corn harvester snapping rollALLIS CHALMERS·Filed 1979·Granted Sep 2, 1980·49 cites·4 claims
- 3289US4153205AShort seat fuel injection nozzle valveALLIS CHALMERS·Filed 1977·Granted May 8, 1979·53 cites·10 claims
- 3389US4132133AAuxiliary transmissionALLIS CHALMERS·Filed 1976·Granted Jan 2, 1979·40 cites·10 claims
- 3489US4106649AFloating grain bin extension for use with agricultural combineALLIS CHALMERS·Filed 1977·Granted Aug 15, 1978·44 cites·17 claims
- 3589US4047884AMeans and method for processing cement raw materials containing fuel of high volatile contentALLIS CHALMERS·Filed 1976·Granted Sep 13, 1977·21 cites·9 claims
- 3689US4018297AFour-piece fan shroudALLIS CHALMERS·Filed 1975·Granted Apr 19, 1977·51 cites·10 claims
- 3789US4004700AHopper gate for self-unloading shipsALLIS CHALMERS·Filed 1975·Granted Jan 25, 1977·103 cites·8 claims
- 3889US3984967AMechanical safety interlock for preventing mower operation during reverse travelALLIS CHALMERS·Filed 1975·Granted Oct 12, 1976·42 cites·8 claims
- 3988US4351168ATorsion vibration damperALLIS CHALMERS·Filed 1980·Granted Sep 28, 1982·46 cites·10 claims
- 4088US4271942ATwo-speed power take-offALLIS CHALMERS·Filed 1978·Granted Jun 9, 1981·37 cites·12 claims
- 4188US4042053AFour-wheel drive tractorALLIS CHALMERS·Filed 1975·Granted Aug 16, 1977·58 cites·12 claims
- 4288US4034922AGyratory crusher with bushing assembly between inner eccentric antifriction bearingALLIS CHALMERS·Filed 1976·Granted Jul 12, 1977·40 cites·3 claims
- 4388US3961546ADigital automatic transmission controlALLIS CHALMERS·Filed 1974·Granted Jun 8, 1976·47 cites·37 claims
- 4487US4449365ALift, tilt and steering control for a lift truckALLIS CHALMERS·Filed 1981·Granted May 22, 1984·50 cites·1 claims
- 4587US4339087ACrusher head supporting unit for a gyratory crusherALLIS CHALMERS·Filed 1980·Granted Jul 13, 1982·44 cites·10 claims
- 4687US4231215ASingle belt drive for a three-spindle rotary mowerALLIS CHALMERS·Filed 1979·Granted Nov 4, 1980·40 cites·10 claims
- 4787US4135597AChassis oscillation control on an articulated vehicleALLIS CHALMERS·Filed 1977·Granted Jan 23, 1979·39 cites·14 claims
- 4887US3940239ARotary reducing kiln sealALLIS CHALMERS·Filed 1974·Granted Feb 24, 1976·44 cites·3 claims
- 4987US3931553AElectronic commutation system having motor stator windings in push-pullALLIS CHALMERS·Filed 1974·Granted Jan 6, 1976·39 cites·5 claims
- 5086US4466447ATailings return to threshing section or to cleaning sectionALLIS CHALMERS·Filed 1983·Granted Aug 21, 1984·36 cites·8 claims
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