Inventor · disambiguated record
Robert D. Simpson
Also filed as: SIMPSON ROBERT · SIMPSON ROBERT D · SIMPSON ROBERT DAVID
18 granted patents·3 pending applications·315 citations·filing 1974–2024
94Inventor score
Top patents by PatentIndex Score
21 records- 0189US4471439AMethod and apparatus for aircraft pitch and thrust axes controlBOEING CO·Filed 1983·Granted Sep 11, 1984·68 cites·1 claims
- 0283US6278596B1Active ground fault disconnectTEKTRONIX INC·Filed 1999·Granted Aug 21, 2001·56 cites·9 claims
- 0377US4357663AMethod and apparatus for aircraft pitch and thrust axes controlBOEING CO·Filed 1979·Granted Nov 2, 1982·26 cites·8 claims
- 0474US4006870ASelf-aligning roll out guidance systemBOEING CO·Filed 1975·Granted Feb 8, 1977·24 cites·7 claims
- 0573US4006871AAutomatic pitch axis control system for aircraftBOEING CO·Filed 1974·Granted Feb 8, 1977·22 cites·10 claims
- 0670US10481137B2Chromatographic system temperature control systemVALCO INSTR CO LP·Filed 2019·Granted Nov 19, 2019·0 cites·6 claims
- 0769US10481136B2Chromatographic system temperature control systemVALCO INSTR CO LP·Filed 2019·Granted Nov 19, 2019·0 cites·1 claims
- 0869US5031102AMethod and apparatus for aircraft pitch and thrust axes controlBOEING CO·Filed 1990·Granted Jul 9, 1991·37 cites·1 claims
- 0968US10502721B2Chromatographic system temperature control systemVALCO INSTR CO LP·Filed 2019·Granted Dec 10, 2019·0 cites·4 claims
- 1066US4127248AAdaptive energy management for vertical speed control of an aircraftBOEING CO·Filed 1976·Granted Nov 28, 1978·17 cites·1 claims
- 1166US3994455AAutomatic approach pitch axis control system for aircraftBOEING CO·Filed 1975·Granted Nov 30, 1976·19 cites·19 claims
- 1264US4164340AMethod and apparatus for determining when a glide slope signal exceeds a predetermined levelBOEING CO·Filed 1977·Granted Aug 14, 1979·17 cites·8 claims
- 1362US2025263160A1Electric-powered boat or marine vesselVOLTAIC LLC·Filed 2024·Application pending·0 cites
- 1461US10324069B2Chromatographic system temperature control systemVALCO INSTR CO LP·Filed 2017·Granted Jun 18, 2019·0 cites·5 claims
- 1553US2008258476A1Security systemSIMPSON ROBERT DAVID·Filed 2007·Application pending·0 cites
- 1652US12134451B2Electric-powered boat or marine vesselVOLTAIC LLC·Filed 2022·Granted Nov 5, 2024·0 cites·19 claims
- 1752US7350836B2Door security systemRDS INNOVATIONS LTD·Filed 2002·Granted Apr 1, 2008·9 cites·11 claims
- 1851US2011056252A1Improvements to security systemsSIMPSON ROBERT DAVID·Filed 2008·Application pending·0 cites
- 1946US4032093AAdaptive energy management for vertical speed control of an aircraftBOEING CO·Filed 1975·Granted Jun 28, 1977·9 cites·1 claims
- 2042US4174465ASignal transmitting interface system combining time compression and multiplexingMC DONNELL DOUGLAS CORP·Filed 1977·Granted Nov 13, 1979·6 cites·15 claims
- 2141US3944171AGlide slope control signal processing systemBOEING CO·Filed 1974·Granted Mar 16, 1976·5 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →