Assignee
HITACHI SUMITOMO HEAVY IND CONSTRUCTION CRANE CO LTD
JP·7 granted patents·4 pending applications·68 citations·filing 2004–2017
Top patents by PatentIndex Score
11 records- 0194US7354066B2Counterweight device for construction machineryHITACHI SUMITOMO HEAVY IND CONSTRUCTION CRANE CO LTD·Filed 2005·Granted Apr 8, 2008·38 cites·6 claims
- 0285US10150657B2CraneHITACHI SUMITOMO HEAVY IND CONSTRUCTION CRANE CO LTD·Filed 2017·Granted Dec 11, 2018·6 cites·5 claims
- 0383US9944502B2Cylinder retraction system, boom device and crawler craneHITACHI SUMITOMO HEAVY IND CONSTRUCTION CRANE CO LTD·Filed 2016·Granted Apr 17, 2018·4 cites·2 claims
- 0479US8930094B2Control device for hydraulic winchHITACHI SUMITOMO HEAVY IND CONSTRUCTION CRANE CO LTD·Filed 2013·Granted Jan 6, 2015·6 cites·9 claims
- 0577US7658293B2Installation device for counterweightHITACHI SUMITOMO HEAVY IND CONSTRUCTION CRANE CO LTD·Filed 2008·Granted Feb 9, 2010·13 cites·10 claims
- 0652US10099905B2CraneHITACHI SUMITOMO HEAVY IND CONSTRUCTION CRANE CO LTD·Filed 2016·Granted Oct 16, 2018·1 cites·6 claims
- 0751US2014291267A1Cylinder Retraction System, Boom Device and Crawler CraneHITACHI SUMITOMO HEAVY IND CONSTRUCTION CRANE CO LTD·Filed 2014·Application pending·0 cites
- 0847US9085445B2Winch Braking deviceHITACHI SUMITOMO HEAVY IND CONSTRUCTION CRANE CO LTD·Filed 2013·Granted Jul 21, 2015·0 cites·4 claims
- 0946US2014175040A1Construction MachineryHITACHI SUMITOMO HEAVY IND CONSTRUCTION CRANE CO LTD·Filed 2013·Application pending·0 cites
- 1046US2014175039A1Construction Machinery BodyHITACHI SUMITOMO HEAVY IND CONSTRUCTION CRANE CO LTD·Filed 2013·Application pending·0 cites
- 1142US2006151265A1Nagative brake device, construction machine, and method of activating negativeHITACHI SUMITOMO HEAVY IND CONSTRUCTION CRANE CO LTD·Filed 2004·Application pending·0 cites
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