Individual holder
SPEER STEPHEN R
US·6 granted patents·77 citations·filing 1981–2018
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
6 records- 0190US10053209B2Aircraft winglet design having a compound curve profileSPEER STEPHEN R·Filed 2015·Granted Aug 21, 2018·7 cites·11 claims
- 0283US5326223AAutomatic variable pitch marine propeller with mechanical holding meansSPEER STEPHEN R·Filed 1993·Granted Jul 5, 1994·26 cites·8 claims
- 0375US9120562B2Aircraft winglet design having a compound curve profileSPEER STEPHEN R·Filed 2010·Granted Sep 1, 2015·4 cites·14 claims
- 0469US4469078AAircraft engine-turbocharger package with bleed valve controlSPEER STEPHEN R·Filed 1981·Granted Sep 4, 1984·25 cites·5 claims
- 0567US4424781AModified control linkage for supercharged inlet air to internal combustion engineSPEER STEPHEN R·Filed 1982·Granted Jan 10, 1984·15 cites·16 claims
- 0658US10737773B2Aircraft winglet design having a compound curve profileSPEER STEPHEN R·Filed 2018·Granted Aug 11, 2020·0 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when SPEER STEPHEN R files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →