Inventor · disambiguated record
Dah Y. Cheng
Also filed as: CHENG DAH Y · CHENG DAH YU
42 granted patents·4 pending applications·1,291 citations·filing 1974–2012
98Inventor score
Top patents by PatentIndex Score
46 records- 0197US3978661AParallel-compound dual-fluid heat engineINT POWER TECH·Filed 1974·Granted Sep 7, 1976·76 cites·12 claims
- 0295US4297841AControl system for Cheng dual-fluid cycle engine systemINT POWER TECH·Filed 1979·Granted Nov 3, 1981·84 cites·7 claims
- 0394US4372110ANoise suppressor for turbo fan jet enginesNASA·Filed 1976·Granted Feb 8, 1983·65 cites·3 claims
- 0494US4128994ARegenerative parallel compound dual-fluid heat engineINT POWER TECH·Filed 1976·Granted Dec 12, 1978·49 cites·23 claims
- 0593US6392371B1Universal frequency electrical generatorCHENG POWER SYSTEMS INC·Filed 2000·Granted May 21, 2002·64 cites·36 claims
- 0693US6370862B1Steam injection nozzle design of gas turbine combustion liners for enhancing power output and efficiencyCHENG POWER SYSTEMS INC·Filed 2000·Granted Apr 16, 2002·51 cites·22 claims
- 0792US6418724B1Method and apparatus to homogenize fuel and diluent for reducing emissions in combustion systemsCHENG POWER SYSTEMS INC·Filed 2000·Granted Jul 16, 2002·54 cites·47 claims
- 0890US4248039ARegenerative parallel compound dual fluid heat engineINT POWER TECH·Filed 1978·Granted Feb 3, 1981·48 cites·28 claims
- 0988US5323661ALaminar flow elbow system and methodCHENG DAH Y·Filed 1992·Granted Jun 28, 1994·50 cites·18 claims
- 1087US5165373AElectro-thermal pulsed fuel injector and systemCHENG DAH Y·Filed 1991·Granted Nov 24, 1992·43 cites·11 claims
- 1185US4899537ASteam-injected free-turbine-type gas turbineINT POWER TECH·Filed 1984·Granted Feb 13, 1990·36 cites·4 claims
- 1284US4476024AMethod and apparatus for distillationINT POWER TECH·Filed 1982·Granted Oct 9, 1984·43 cites·12 claims
- 1384US4419242AComposite membrane for a membrane distillation systemINT POWER TECH·Filed 1982·Granted Dec 6, 1983·48 cites·12 claims
- 1481US5197509ALaminar flow elbow system and methodCHENG DAH Y·Filed 1990·Granted Mar 30, 1993·42 cites·18 claims
- 1580US4072182APressure staged heat exchangerINT POWER TECH·Filed 1977·Granted Feb 7, 1978·33 cites·16 claims
- 1677US4499721AControl system for Cheng dual-fluid cycle engine systemINT POWER TECH·Filed 1983·Granted Feb 19, 1985·28 cites·3 claims
- 1776US6047104AElectrical generators and motors in which at steady-state the rotor and its electromagnetic field rotate at selectively different angular speedsCHENG TECHNOLOGY & SERVICES IN·Filed 1998·Granted Apr 4, 2000·43 cites·22 claims
- 1876US4823546ASteam-injected free-turbine-type gas turbineINT POWER TECH·Filed 1988·Granted Apr 25, 1989·29 cites·6 claims
- 1974US4680927AControl system for Cheng dual-fluid cycle engine systemINT POWER TECH·Filed 1985·Granted Jul 21, 1987·31 cites·2 claims
- 2074US4316772AComposite membrane for a membrane distillation systemCHENG DAH Y·Filed 1980·Granted Feb 23, 1982·32 cites·15 claims
- 2173US5235470AOrthogonal parabolic reflector systemsCHENG DAH Y·Filed 1991·Granted Aug 10, 1993·37 cites·23 claims
- 2273US5037191AOrthogonal parabolic reflector systemsCHENG DAH Y·Filed 1989·Granted Aug 6, 1991·30 cites·20 claims
- 2373US4419187AApparatus and method for thermal membrane distillationINT POWER TECH·Filed 1982·Granted Dec 6, 1983·31 cites·5 claims
- 2467US5170622AAdvanced regenerative parallel compound dual fluid heat engine Advanced Cheng Cycle (ACC)CHENG DAH Y·Filed 1991·Granted Dec 15, 1992·27 cites·17 claims
- 2567US4393649ASteam output control systemINT POWER TECH·Filed 1980·Granted Jul 19, 1983·19 cites·15 claims
- 2666US4549397AControl system for Cheng dual-fluid cycle engine systemINT POWER TECH·Filed 1983·Granted Oct 29, 1985·19 cites·4 claims
- 2763US4265713AMethod and apparatus for distillationINT POWER TECH·Filed 1979·Granted May 5, 1981·17 cites·7 claims
- 2863US3964306ASystem for measuring Reynolds in a turbulently flowing fluidNASA·Filed 1975·Granted Jun 22, 1976·15 cites·10 claims
- 2962US5165452ALarge angle diffuser diverter design for maximum pressure recoveryCHENG DAH Y·Filed 1990·Granted Nov 24, 1992·31 cites·9 claims
- 3061US6644011B2Advanced Cheng Combined CycleCHENG POWER SYSTEMS INC·Filed 2001·Granted Nov 11, 2003·19 cites·1 claims
- 3161US6213089B1Electro-thermal pulsed fuel injector and systemFiled 1995·Granted Apr 10, 2001·17 cites·3 claims
- 3258US9079203B2Method and apparatus for balancing flow through fuel nozzlesCHENG DAH YU·Filed 2007·Granted Jul 14, 2015·1 cites·22 claims
- 3355US4028939ASystem for measuring three fluctuating velocity components in a turbulently flowing fluidNASA·Filed 1976·Granted Jun 14, 1977·10 cites·10 claims
- 3454US8061117B2Dynamic control system to implement homogenous mixing of diluent and fuel to enable gas turbine combustion systems to reach and maintain low emission levelsCHENG DAH YU·Filed 2007·Granted Nov 22, 2011·5 cites·24 claims
- 3554US2007102348A1Method of producing a porous membrane and waterproof, highly breathable fabric including the membraneCHENG DAH Y·Filed 2006·Application pending·0 cites
- 3654US2012225202A1Method of producing a porous membrane and waterproof, highly breathable fabric including the membraneCHENG DAH YU·Filed 2012·Application pending·0 cites
- 3750US4473473AMethod and apparatus for distillationINT MICROPOROUS TECHNOLOGY INC·Filed 1981·Granted Sep 25, 1984·13 cites·32 claims
- 3848US5233826AMethod for starting and operating an advanced regenerative parallel compound dual fluid heat engine-advanced cheng cycle (ACC)CHENG DAH Y·Filed 1992·Granted Aug 10, 1993·13 cites·5 claims
- 3947US2004256310A1Method of producing a porous membrane and waterproof, highly breathable fabric including the membraneFiled 2004·Application pending·0 cites
- 4045US4790269AMethod and apparatus for improved start-up procedures in conventional steam power generators and dual fluid cheng cycle enginesINT POWER TECH·Filed 1988·Granted Dec 13, 1988·10 cites·6 claims
- 4143US4735043AMethod and apparatus for improved start-up procedures in conventional steam power generators and dual fluid Cheng cycle enginesINT POWER TECH·Filed 1985·Granted Apr 5, 1988·10 cites·6 claims
- 4240US4597256AMethod and apparatus for improved shutdown procedures in dual fluid Cheng cycle enginesINT POWER TECH·Filed 1985·Granted Jul 1, 1986·8 cites·1 claims
- 4336US4417438AControl system for Cheng dual-fluid cycle engine systemINT POWER TECH·Filed 1981·Granted Nov 29, 1983·4 cites·4 claims
- 4435US4685288AApparatus for removing noncondensable gases from cogenerated process steam in dual fluid Cheng cycle enginesINT POWER TECH·Filed 1986·Granted Aug 11, 1987·4 cites·1 claims
- 4534US2002190137A1Steam injection nozzle design of gas turbine combustion liners for enhancing power output and efficiencyFiled 2002·Application pending·0 cites
- 4632US4312643ARemoval of sulfur compounds from combustion product exhaustINT POWER TECH·Filed 1978·Granted Jan 26, 1982·2 cites·50 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →