Assignee
CATERPILLAR MITSUBISHI LTD
JP·141 granted patents·15 pending applications·3,910 citations·filing 1974–2007
Top patents by PatentIndex Score
156 records- 0198US7260931B2Multi-actuator pressure-based flow control systemCATERPILLAR MITSUBISHI LTD·Filed 2005·Granted Aug 28, 2007·62 cites·21 claims
- 0298US5198800AAlarm system for constructional machineCATERPILLAR MITSUBISHI LTD·Filed 1991·Granted Mar 30, 1993·176 cites·9 claims
- 0396US7269944B2Hydraulic system for recovering potential energyCATERPILLAR MITSUBISHI LTD·Filed 2005·Granted Sep 18, 2007·52 cites·22 claims
- 0496US6098322AControl device of construction machineCATERPILLAR MITSUBISHI LTD·Filed 1997·Granted Aug 8, 2000·108 cites·71 claims
- 0595US6778097B1Remote radio operating system, and remote operating apparatus, mobile relay station and radio mobile working machineCATERPILLAR MITSUBISHI LTD·Filed 1998·Granted Aug 17, 2004·172 cites·41 claims
- 0695US5826666AApparatus and method for controlling a contruction machineCATERPILLAR MITSUBISHI LTD·Filed 1996·Granted Oct 27, 1998·100 cites·20 claims
- 0795US5784944ADevice and method for controlling attachment of construction machineCATERPILLAR MITSUBISHI LTD·Filed 1996·Granted Jul 28, 1998·71 cites·6 claims
- 0894US6076488ACooling device for a construction machineCATERPILLAR MITSUBISHI LTD·Filed 1997·Granted Jun 20, 2000·106 cites·4 claims
- 0992US4938023ASwing-frame motor flow and sensed load pressure control system for hydraulic excavatorCATERPILLAR MITSUBISHI LTD·Filed 1988·Granted Jul 3, 1990·49 cites·11 claims
- 1091US7269947B2Vibration control method and vibration control system for fluid pressure control circuitCATERPILLAR MITSUBISHI LTD·Filed 2005·Granted Sep 18, 2007·18 cites·20 claims
- 1191US7251935B2Independent metering valve control system and methodCATERPILLAR MITSUBISHI LTD·Filed 2005·Granted Aug 7, 2007·20 cites·22 claims
- 1291US6132131AAttachment mounting/demounting device in working machineryCATERPILLAR MITSUBISHI LTD·Filed 1998·Granted Oct 17, 2000·71 cites·13 claims
- 1391US5692377AApparatus for controlling lifting operationCATERPILLAR MITSUBISHI LTD·Filed 1995·Granted Dec 2, 1997·83 cites·10 claims
- 1491US4384620AMultipurpose-type blade device for earth moving machineCATERPILLAR MITSUBISHI LTD·Filed 1980·Granted May 24, 1983·54 cites·3 claims
- 1590US7197871B2Power system and work machine using sameCATERPILLAR MITSUBISHI LTD·Filed 2003·Granted Apr 3, 2007·48 cites·17 claims
- 1690US7103545B2Voice-actuated machine body control apparatus for construction machineCATERPILLAR MITSUBISHI LTD·Filed 2001·Granted Sep 5, 2006·52 cites·6 claims
- 1790US4014588AMounting device for elastically mounting cabCATERPILLAR MITSUBISHI LTD·Filed 1975·Granted Mar 29, 1977·67 cites·7 claims
- 1889US7194856B2Hydraulic system having IMV ride control configurationCATERPILLAR MITSUBISHI LTD·Filed 2005·Granted Mar 27, 2007·19 cites·30 claims
- 1989US6009708AControl apparatus for construction machineCATERPILLAR MITSUBISHI LTD·Filed 1997·Granted Jan 4, 2000·83 cites·6 claims
- 2089US4116347AQuick couplerCATERPILLAR MITSUBISHI LTD·Filed 1977·Granted Sep 26, 1978·40 cites·10 claims
- 2188US7210396B2Valve having a hysteretic filtered actuation commandCATERPILLAR MITSUBISHI LTD·Filed 2005·Granted May 1, 2007·14 cites·21 claims
- 2288US7146808B2Hydraulic system having priority based flow controlCATERPILLAR MITSUBISHI LTD·Filed 2004·Granted Dec 12, 2006·28 cites·29 claims
- 2388US4757454AOperation data-recording system for a machineCATERPILLAR MITSUBISHI LTD·Filed 1985·Granted Jul 12, 1988·56 cites·6 claims
- 2487US6393838B1Hydraulic control device for working machinesCATERPILLAR MITSUBISHI LTD·Filed 1999·Granted May 28, 2002·38 cites·18 claims
- 2587US5824965ALoad transfer and loading device with weight measurementCATERPILLAR MITSUBISHI LTD·Filed 1997·Granted Oct 20, 1998·58 cites·16 claims
- 2687US4243356AQuick couplerCATERPILLAR MITSUBISHI LTD·Filed 1979·Granted Jan 6, 1981·88 cites·9 claims
- 2787US4116346AQuick couplerCATERPILLAR MITSUBISHI LTD·Filed 1977·Granted Sep 26, 1978·37 cites·5 claims
- 2886US5046309AEnergy regenerative circuit in a hydraulic apparatusCATERPILLAR MITSUBISHI LTD·Filed 1991·Granted Sep 10, 1991·57 cites·1 claims
- 2986US4866932AApparatus for treating particulate emission from diesel engineCATERPILLAR MITSUBISHI LTD·Filed 1988·Granted Sep 19, 1989·83 cites·5 claims
- 3084US7204185B2Hydraulic system having a pressure compensatorCATERPILLAR MITSUBISHI LTD·Filed 2005·Granted Apr 17, 2007·16 cites·41 claims
- 3184US6672055B1Hydraulic pump control deviceCATERPILLAR MITSUBISHI LTD·Filed 2000·Granted Jan 6, 2004·28 cites·4 claims
- 3284US4217927ARelief and make-up valve assemblyCATERPILLAR MITSUBISHI LTD·Filed 1978·Granted Aug 19, 1980·35 cites·8 claims
- 3384US4056250ACoupling device for mounting a material handling machine on a civil engineering vehicleCATERPILLAR MITSUBISHI LTD·Filed 1976·Granted Nov 1, 1977·54 cites·2 claims
- 3482US6622668B2Construction machineryCATERPILLAR MITSUBISHI LTD·Filed 2001·Granted Sep 23, 2003·43 cites·17 claims
- 3582US4082372ANoise reducing device for a track chain arrangementCATERPILLAR MITSUBISHI LTD·Filed 1976·Granted Apr 4, 1978·35 cites·5 claims
- 3680US5535532AExcavator control apparatus for shovel-type construction equipmentCATERPILLAR MITSUBISHI LTD·Filed 1994·Granted Jul 16, 1996·42 cites·28 claims
- 3779US7258058B2Metering valve with integral relief and makeup functionCATERPILLAR MITSUBISHI LTD·Filed 2005·Granted Aug 21, 2007·9 cites·24 claims
- 3879US3982792AEmergency brake system for a vehicleCATERPILLAR MITSUBISHI LTD·Filed 1975·Granted Sep 28, 1976·15 cites·6 claims
- 3978US7213502B2Robustly stable servo-controlled metering poppet valveCATERPILLAR MITSUBISHI LTD·Filed 2005·Granted May 8, 2007·10 cites·20 claims
- 4078US6877417B2Fluid pressure circuitCATERPILLAR MITSUBISHI LTD·Filed 2002·Granted Apr 12, 2005·18 cites·8 claims
- 4178US6108948AMethod and device for controlling construction machineCATERPILLAR MITSUBISHI LTD·Filed 1997·Granted Aug 29, 2000·43 cites·3 claims
- 4278US5699247AFuzzy control system and method for hydraulic backhoe or like excavatorCATERPILLAR MITSUBISHI LTD·Filed 1991·Granted Dec 16, 1997·47 cites·5 claims
- 4378US5692376AControl circuit for a construction machineCATERPILLAR MITSUBISHI LTD·Filed 1996·Granted Dec 2, 1997·46 cites·6 claims
- 4478US4853859AOperation data recording systemCATERPILLAR MITSUBISHI LTD·Filed 1988·Granted Aug 1, 1989·143 cites·10 claims
- 4578US3943306AElectric loader with excessive unwind preventive meansCATERPILLAR MITSUBISHI LTD·Filed 1974·Granted Mar 9, 1976·28 cites·3 claims
- 4676US7121189B2Electronically and hydraulically-actuated drain valueCATERPILLAR MITSUBISHI LTD·Filed 2004·Granted Oct 17, 2006·22 cites·34 claims
- 4776US6820355B2Hydraulic control circuit of boom cylinder in work machineCATERPILLAR MITSUBISHI LTD·Filed 2001·Granted Nov 23, 2004·16 cites·16 claims
- 4876US6371150B1Flow dividing valveCATERPILLAR MITSUBISHI LTD·Filed 2000·Granted Apr 16, 2002·19 cites·8 claims
- 4975US4921397AWork stacking apparatusCATERPILLAR MITSUBISHI LTD·Filed 1989·Granted May 1, 1990·36 cites·4 claims
- 5074US7240604B2Electro-hydraulic metering valve with integral flow controlCATERPILLAR MITSUBISHI LTD·Filed 2005·Granted Jul 10, 2007·7 cites·22 claims
Showing the top 50 of 156 patent records by PatentIndex Score.
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