Inventor · disambiguated record
Douglas H. Clelford
Also filed as: CLELFORD DOUGLAS H
14 granted patents·619 citations·filing 1978–1987
95Inventor score
Files withUNITED TECHNOLOGIES CORP14
Top patents by PatentIndex Score
14 records- 0198US4337516ASensor fault detection by activity monitoringUNITED TECHNOLOGIES CORP·Filed 1980·Granted Jun 29, 1982·174 cites·2 claims
- 0293US4294162AForce feel actuator fault detection with directional thresholdUNITED TECHNOLOGIES CORP·Filed 1979·Granted Oct 13, 1981·60 cites·4 claims
- 0393US4270168ASelective disablement in fail-operational, fail-safe multi-computer control systemUNITED TECHNOLOGIES CORP·Filed 1978·Granted May 26, 1981·72 cites·5 claims
- 0487US4355358AAdaptive aircraft actuator fault detectionUNITED TECHNOLOGIES CORP·Filed 1980·Granted Oct 19, 1982·49 cites·2 claims
- 0585US4382283AHelicopter attitude and airspeed acquisition and retention systemUNITED TECHNOLOGIES CORP·Filed 1980·Granted May 3, 1983·32 cites·7 claims
- 0681US4500967AAircraft short-term roll attitude retention systemUNITED TECHNOLOGIES CORP·Filed 1981·Granted Feb 19, 1985·38 cites·3 claims
- 0781US4313165AForce feel actuator with limited proportional/integral error feedbackUNITED TECHNOLOGIES CORP·Filed 1979·Granted Jan 26, 1982·29 cites·6 claims
- 0877US4412280AComplementary commands in fail-operational, fail-safe multi-computer control systemUNITED TECHNOLOGIES CORP·Filed 1980·Granted Oct 25, 1983·39 cites·3 claims
- 0972US4354230ASynchronized, fail-operational, fail-safe multi-computer control systemUNITED TECHNOLOGIES CORP·Filed 1980·Granted Oct 12, 1982·31 cites·3 claims
- 1070US4564908AAutomatic limiting of helicopter engine torqueUNITED TECHNOLOGIES CORP·Filed 1983·Granted Jan 14, 1986·25 cites·5 claims
- 1162US4566101AOscillatory failure monitorUNITED TECHNOLOGIES CORP·Filed 1983·Granted Jan 21, 1986·17 cites·1 claims
- 1260US4741501APreventing augmenting vertical load induced oscillations in a helicopterUNITED TECHNOLOGIES CORP·Filed 1987·Granted May 3, 1988·20 cites·7 claims
- 1359US4382281AHelicopter force feel actuator automatic static null compensationUNITED TECHNOLOGIES CORP·Filed 1980·Granted May 3, 1983·20 cites·2 claims
- 1455US4563743AManeuver-force gradient systemUNITED TECHNOLOGIES CORP·Filed 1983·Granted Jan 7, 1986·13 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →