Inventor · disambiguated record
Andrew H. Logan
Also filed as: LOGAN ANDREW · LOGAN ANDREW H
5 granted patents·1 pending application·251 citations·filing 1977–2016
84Inventor score
Top patents by PatentIndex Score
6 records- 0195US4200252AHelicopter antitorque system using circulation controlSUMMA CORP·Filed 1977·Granted Apr 29, 1980·101 cites·10 claims
- 0293USD813143SVertical take-off and landing (VTOL) winged air vehicle with complementary angled rotorsAEROVIRONMENT INC·Filed 2016·Granted Mar 20, 2018·56 cites·1 claims
- 0388US4519559ALanding gear energy distribution and righting systemHUGHES HELICOPTERS INC·Filed 1979·Granted May 28, 1985·64 cites·13 claims
- 0467US4609165AHelicopter auxiliary energy systemHUGHES HELICOPTERS INC·Filed 1983·Granted Sep 2, 1986·27 cites·9 claims
- 0527US2013161444A1High efficiency hub for pressure jet helicoptersSPANOS MIKE·Filed 2011·Application pending·0 cites
- 0624USD669012SHigh efficiency hub for pressure jet helicoptersSPANOS MIKE·Filed 2011·Granted Oct 16, 2012·3 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →