Assignee
LEW HYOK S
US·180 granted patents·3,883 citations·filing 1973–1993
Top patents by PatentIndex Score
180 records- 0198US4694179ASymbiotic filter-sterilizerLEW HYOK S·Filed 1986·Granted Sep 15, 1987·153 cites·4 claims
- 0298US4652170ASlide connectors with frictional locking meansLEW HYOK S·Filed 1984·Granted Mar 24, 1987·136 cites·12 claims
- 0394US5152181AMass-volume vortex flowmeterLEW HYOK S·Filed 1991·Granted Oct 6, 1992·95 cites·11 claims
- 0494US4901018ANuclear magnetic resonance net organic flowmeterLEW HYOK S·Filed 1988·Granted Feb 13, 1990·90 cites·9 claims
- 0591US5121658AMass-volume flowmeterLEW HYOK S·Filed 1989·Granted Jun 16, 1992·59 cites·18 claims
- 0690US4600974AOptically decorated batonLEW HYOK S·Filed 1985·Granted Jul 15, 1986·87 cites·19 claims
- 0790US4431184AAerial gymnastic exerciserLEW HYOK S·Filed 1980·Granted Feb 14, 1984·78 cites·7 claims
- 0889US4807494AStepwise variable speed planetary driveLEW HYOK S·Filed 1987·Granted Feb 28, 1989·44 cites·16 claims
- 0989US4782295ANuclear magnetic resonance flowmeterLEW HYOK S·Filed 1987·Granted Nov 1, 1988·57 cites·11 claims
- 1088US4824019ALawn-border sprinklerLEW HYOK S·Filed 1983·Granted Apr 25, 1989·57 cites·4 claims
- 1188US4546502AEvaporative waste disposal systemLEW HYOK S·Filed 1984·Granted Oct 15, 1985·65 cites·16 claims
- 1287US4723535ASolar trapLEW HYOK S·Filed 1984·Granted Feb 9, 1988·56 cites·4 claims
- 1387US4125257AExercising device for aerial exercisesLEW HYOK S·Filed 1974·Granted Nov 14, 1978·49 cites·3 claims
- 1486US4628744AS-tube Coriolis force flow meterLEW HYOK S·Filed 1985·Granted Dec 16, 1986·50 cites·4 claims
- 1585US4879910ATorsional vibration convective inertia force flowmeterLEW HYOK S·Filed 1987·Granted Nov 14, 1989·45 cites·6 claims
- 1685US4841810ADual orbiting gear planetary driveLEW HYOK S·Filed 1987·Granted Jun 27, 1989·35 cites·22 claims
- 1785US4762025AAll orbiting gear planetary driveLEW HYOK S·Filed 1987·Granted Aug 9, 1988·36 cites·13 claims
- 1884US4884473ADual epicyclic speed changerLEW HYOK S·Filed 1988·Granted Dec 5, 1989·35 cites·14 claims
- 1984US4884441AVariable capacity flowmeterLEW HYOK S·Filed 1988·Granted Dec 5, 1989·43 cites·26 claims
- 2084US4582330ASeal with cleft seating surfaceLEW HYOK S·Filed 1984·Granted Apr 15, 1986·45 cites·6 claims
- 2184US3937461AExerciser for aerial calisthenicsLEW HYOK S·Filed 1973·Granted Feb 10, 1976·46 cites·6 claims
- 2282US5098264AYin-Yang fluid power machineLEW HYOK S·Filed 1990·Granted Mar 24, 1992·31 cites·11 claims
- 2382US4892593ASolar trapLEW HYOK S·Filed 1988·Granted Jan 9, 1990·42 cites·10 claims
- 2481US4872360AMoving cylinder actuatorLEW HYOK S·Filed 1988·Granted Oct 10, 1989·38 cites·2 claims
- 2581US4452025ASelf-interlocking grilleLEW HYOK S·Filed 1980·Granted Jun 5, 1984·45 cites·8 claims
- 2680US4730491AMagnetically activated multiple switch level detectorLEW HYOK S·Filed 1986·Granted Mar 15, 1988·38 cites·6 claims
- 2780US4598792ASky-ride vertical mobility systemLEW HYOK S·Filed 1984·Granted Jul 8, 1986·50 cites·8 claims
- 2879US5115680ADisplacement sensor with mechanical preamplification meansLEW HYOK S·Filed 1991·Granted May 26, 1992·37 cites·22 claims
- 2979US4282695ASelf-interlocking grilleLEW HYOK S·Filed 1979·Granted Aug 11, 1981·39 cites·2 claims
- 3079US4125338AQuatrefoil connector connecting shelvesLEW HYOK S·Filed 1977·Granted Nov 14, 1978·38 cites·7 claims
- 3179US3937510ACoupled chopsticksLEW HYOK S·Filed 1973·Granted Feb 10, 1976·35 cites·9 claims
- 3276US4561132AAir-vac toiletLEW HYOK S·Filed 1984·Granted Dec 31, 1985·28 cites·16 claims
- 3375US5095760AVortex flowmeter with dual sensorsLEW HYOK S·Filed 1990·Granted Mar 17, 1992·35 cites·65 claims
- 3475US4884458AHigh sensitivity vortex shedding flowmeterLEW HYOK S·Filed 1988·Granted Dec 5, 1989·29 cites·12 claims
- 3575US4798091ADual S-tube Coriolis force flowmeterLEW HYOK S·Filed 1986·Granted Jan 17, 1989·31 cites·4 claims
- 3674US4973062AVortex flowmeterLEW HYOK S·Filed 1988·Granted Nov 27, 1990·29 cites·17 claims
- 3774US4458421ACounter-reciprocating double blade sawLEW HYOK S·Filed 1982·Granted Jul 10, 1984·21 cites·3 claims
- 3874US4286922AVariable camber fluid power machineLEW HYOK S·Filed 1979·Granted Sep 1, 1981·24 cites·5 claims
- 3974US4052070AVariable tension ring exerciserLEW HYOK S·Filed 1973·Granted Oct 4, 1977·26 cites·4 claims
- 4073US5060522AMass-volume vortex flowmeterLEW HYOK S·Filed 1990·Granted Oct 29, 1991·33 cites·21 claims
- 4173US4796472ALevel detector with multiple magnetically activated switchesLEW HYOK S·Filed 1987·Granted Jan 10, 1989·25 cites·11 claims
- 4273US4749447AEvacuated evaporation-pressurized condensation solar stillLEW HYOK S·Filed 1986·Granted Jun 7, 1988·33 cites·20 claims
- 4373US4680090ADirect heat recycling regenerative stillLEW HYOK S·Filed 1985·Granted Jul 14, 1987·29 cites·23 claims
- 4473US4601474ASelf-retrieving attack ballLEW HYOK S·Filed 1985·Granted Jul 22, 1986·34 cites·1 claims
- 4573US4598793ASky-ride emergency escape systemLEW HYOK S·Filed 1984·Granted Jul 8, 1986·36 cites·12 claims
- 4671US4544300ASlide connectors with locking meansLEW HYOK S·Filed 1983·Granted Oct 1, 1985·31 cites·6 claims
- 4771US4418948AElastic coupling for pipes and tubesLEW HYOK S·Filed 1981·Granted Dec 6, 1983·37 cites·3 claims
- 4870US5186058ARotameter with float guidesLEW HYOK S·Filed 1991·Granted Feb 16, 1993·30 cites·15 claims
- 4970US4986134AVortex flowmeter with inertially balanced vortex sensorLEW HYOK S·Filed 1989·Granted Jan 22, 1991·25 cites·20 claims
- 5070US4627294APulsed eddy flow meterLEW HYOK S·Filed 1985·Granted Dec 9, 1986·26 cites·14 claims
Showing the top 50 of 180 patent records by PatentIndex Score.
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