Inventor · disambiguated record
William K. Koffel
Also filed as: KOFFEL WILLIAM K
3 granted patents·321 citations·filing 1981–1986
79Inventor score
Top patents by PatentIndex Score
3 records- 0194US4798515AVariable nozzle area turbine vane coolingUS AIR FORCE·Filed 1986·Granted Jan 17, 1989·97 cites·17 claims
- 0293US4411597ATip cap for a rotor bladeNASA·Filed 1981·Granted Oct 25, 1983·121 cites·17 claims
- 0392US4589823ARotor blade tipGEN ELECTRIC·Filed 1984·Granted May 20, 1986·103 cites·6 claims
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