Assignee
HOKUETSU KOGYO CO
19 granted patents·1 pending application·247 citations·filing 1973–2023
Top patents by PatentIndex Score
20 records- 0196US4025244ARotary compressor of liquid-cooled type provided with means for adjusting amount of liquid and volume of gasHOKUETSU KOGYO CO·Filed 1975·Granted May 24, 1977·60 cites·4 claims
- 0271US12257896B2Traveling operation device of crawler-type aerial work platformHOKUETSU KOGYO CO·Filed 2021·Granted Mar 25, 2025·1 cites·8 claims
- 0371USD630652SCompressorHOKUETSU KOGYO CO·Filed 2010·Granted Jan 11, 2011·30 cites·1 claims
- 0469US4576558AScrew rotor assemblyHOKUETSU KOGYO CO·Filed 1985·Granted Mar 18, 1986·22 cites·1 claims
- 0569US4035114AMethod for reducing power consumption in a liquid-cooled rotary compressor by treating the liquidHOKUETSU KOGYO CO·Filed 1975·Granted Jul 12, 1977·22 cites·3 claims
- 0668US3945464AOil-injection-type rotary compressor having a centrifugal water separatorHOKUETSU KOGYO CO·Filed 1973·Granted Mar 23, 1976·19 cites·4 claims
- 0765US6139298AShaft structure in screw rotor of screw fluid assemblyHOKUETSU KOGYO CO·Filed 1998·Granted Oct 31, 2000·24 cites·7 claims
- 0863US4426613AControl system for a self-excited alternating current generatorHOKUETSU KOGYO CO·Filed 1983·Granted Jan 17, 1984·23 cites·8 claims
- 0962US6186756B1Shaft structure in screw rotor of screw fluid assemblyHOKUETSU KOGYO CO·Filed 2000·Granted Feb 13, 2001·10 cites·7 claims
- 1060US3936249ARotary compressor of oil cooling type with appropriate oil discharge circuitHOKUETSU KOGYO CO·Filed 1974·Granted Feb 3, 1976·14 cites·1 claims
- 1158US4036567AGloboid worm type rotary machineHOKUETSU KOGYO CO·Filed 1975·Granted Jul 19, 1977·13 cites·6 claims
- 1256US12289069B2Output variable type electric generatorHOKUETSU KOGYO CO·Filed 2023·Granted Apr 29, 2025·0 cites·10 claims
- 1356US11560893B2Method for operation control of compressor and the compressorHOKUETSU KOGYO CO·Filed 2019·Granted Jan 24, 2023·0 cites·13 claims
- 1450US12428280B2Method and device for preventing collision of aerial work platform with upward obstacleHOKUETSU KOGYO CO·Filed 2020·Granted Sep 30, 2025·0 cites·12 claims
- 1545US10253709B2Regeneration method for exhaust-gas aftertreatment device in engine-driven compressor, and engine-driven compressor provided with said aftertreatment deviceHOKUETSU KOGYO CO·Filed 2014·Granted Apr 9, 2019·0 cites·20 claims
- 1642US4679996ARotary machine having screw rotor assemblyHOKUETSU KOGYO CO·Filed 1986·Granted Jul 14, 1987·9 cites·3 claims
- 1741US9695720B2Method of regenerating exhaust gas post-processing apparatus in engine-driven generator, and regeneration apparatusHOKUETSU KOGYO CO·Filed 2015·Granted Jul 4, 2017·0 cites·20 claims
- 1840US11598260B2Sound proof box for an engine-driven work machineHOKUETSU KOGYO CO·Filed 2022·Granted Mar 7, 2023·0 cites·17 claims
- 1938US2022289543A1Operation panel for aerial work vehiclesHOKUETSU KOGYO CO·Filed 2020·Application pending·0 cites
- 2034US11390507B2Traveling control method and traveling control device for aerial work platformHOKUETSU KOGYO CO·Filed 2017·Granted Jul 19, 2022·0 cites·20 claims
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