Individual holder
CHENG DAH Y
US·9 granted patents·1 pending application·305 citations·filing 1980–2006
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
10 records- 0188US5323661ALaminar flow elbow system and methodCHENG DAH Y·Filed 1992·Granted Jun 28, 1994·50 cites·18 claims
- 0287US5165373AElectro-thermal pulsed fuel injector and systemCHENG DAH Y·Filed 1991·Granted Nov 24, 1992·43 cites·11 claims
- 0381US5197509ALaminar flow elbow system and methodCHENG DAH Y·Filed 1990·Granted Mar 30, 1993·42 cites·18 claims
- 0474US4316772AComposite membrane for a membrane distillation systemCHENG DAH Y·Filed 1980·Granted Feb 23, 1982·32 cites·15 claims
- 0573US5235470AOrthogonal parabolic reflector systemsCHENG DAH Y·Filed 1991·Granted Aug 10, 1993·37 cites·23 claims
- 0673US5037191AOrthogonal parabolic reflector systemsCHENG DAH Y·Filed 1989·Granted Aug 6, 1991·30 cites·20 claims
- 0767US5170622AAdvanced regenerative parallel compound dual fluid heat engine Advanced Cheng Cycle (ACC)CHENG DAH Y·Filed 1991·Granted Dec 15, 1992·27 cites·17 claims
- 0862US5165452ALarge angle diffuser diverter design for maximum pressure recoveryCHENG DAH Y·Filed 1990·Granted Nov 24, 1992·31 cites·9 claims
- 0954US2007102348A1Method of producing a porous membrane and waterproof, highly breathable fabric including the membraneCHENG DAH Y·Filed 2006·Application pending·0 cites
- 1048US5233826AMethod 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
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →