Inventor · disambiguated record
Stephen R. Speer
Also filed as: SPEER STEPHEN · SPEER STEPHEN R
19 granted patents·2 pending applications·356 citations·filing 1981–2024
95Inventor score
Top patents by PatentIndex Score
21 records- 0191US5076220AInternal combustion engineEVANS HUGH G·Filed 1989·Granted Dec 31, 1991·58 cites·15 claims
- 0290US10053209B2Aircraft winglet design having a compound curve profileSPEER STEPHEN R·Filed 2015·Granted Aug 21, 2018·7 cites·11 claims
- 0383US5326223AAutomatic variable pitch marine propeller with mechanical holding meansSPEER STEPHEN R·Filed 1993·Granted Jul 5, 1994·26 cites·8 claims
- 0482US5012646ATurbine engine having combustor air precoolerMACHEN INC·Filed 1988·Granted May 7, 1991·40 cites·19 claims
- 0579US4483147ATurbocharged engine having an engine speed and throttle position responsive compressor bleed valveEVANS HUGH G·Filed 1981·Granted Nov 20, 1984·33 cites·9 claims
- 0675US9120562B2Aircraft winglet design having a compound curve profileSPEER STEPHEN R·Filed 2010·Granted Sep 1, 2015·4 cites·14 claims
- 0774US5549455AThrough the hub exhaust flow improvements for marine variable pitch propellerAEROSTAR MARINE CORP·Filed 1995·Granted Aug 27, 1996·23 cites·7 claims
- 0873US5240374ADamped automatic variable pitch marine propellerNAUTICAL DEV INC·Filed 1991·Granted Aug 31, 1993·19 cites·43 claims
- 0969US4929153ASelf-actuating variable pitch marine propellerNAUTICAL DEV INC·Filed 1988·Granted May 29, 1990·16 cites·11 claims
- 1069US4469078AAircraft engine-turbocharger package with bleed valve controlSPEER STEPHEN R·Filed 1981·Granted Sep 4, 1984·25 cites·5 claims
- 1167US4424781AModified control linkage for supercharged inlet air to internal combustion engineSPEER STEPHEN R·Filed 1982·Granted Jan 10, 1984·15 cites·16 claims
- 1266US4399665AAircraft air conditioning systemEVANS HUGH G·Filed 1981·Granted Aug 23, 1983·33 cites·13 claims
- 1360US5032057AAutomatic variable pitch marine propellerNAUTICAL DEV INC·Filed 1989·Granted Jul 16, 1991·12 cites·21 claims
- 1459US2024301826A1Aircraft turboprop engine inlet compact profile configurationAMERICAN AVIATION INC·Filed 2024·Application pending·0 cites
- 1558US10737773B2Aircraft winglet design having a compound curve profileSPEER STEPHEN R·Filed 2018·Granted Aug 11, 2020·0 cites·12 claims
- 1655US4428550AVibration-insulating stability improving torque force deviceEVANS HUGH G·Filed 1981·Granted Jan 31, 1984·15 cites·18 claims
- 1754US4947806AEngine breather oil recovery systemMACHEN INC·Filed 1989·Granted Aug 14, 1990·17 cites·14 claims
- 1849US12012891B1Aircraft turboprop engine inlet compact profile configuration to improve air intake efficiency and without loss of anti-icing abilityAMERICAN AVIATION INC·Filed 2022·Granted Jun 18, 2024·0 cites·11 claims
- 1946US2021189960A1Aircraft turboprop engine inlet compact profile configurationAMERICAN AVIATION INC·Filed 2020·Application pending·0 cites
- 2045US5368442AAutomatic variable discrete pitch marine propellerNAUTICAL DEV INC·Filed 1993·Granted Nov 29, 1994·7 cites·15 claims
- 2142US5129785AAutomatic variable discrete pitch marine propellerNAUTICAL DEV INC·Filed 1991·Granted Jul 14, 1992·6 cites·28 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →