Inventor · disambiguated record
Francois Hullein
Also filed as: CADET JEAN-CLAUDE A · HULLEIN FRANCOIS · HULLEIN FRANCOIS M L
4 granted patents·72 citations·filing 1977–1985
78Inventor score
Top patents by PatentIndex Score
4 records- 0170US4240069AAngle coder with variable input angleSERCEL RECH CONST ELECT·Filed 1978·Granted Dec 16, 1980·21 cites·12 claims
- 0263US4146328ATelemeter comprising a pilot oscillator and an oscillator kept in phase with the pilot oscillatorRECH ET CONST ELECTRONIQUES SO·Filed 1977·Granted Mar 27, 1979·22 cites·12 claims
- 0351US4664519AAngle encoder for encoding the zenithal angle between a variable determined direction and the vertical, in particular for a theodoliteSERCEL RECH CONST ELECT·Filed 1985·Granted May 12, 1987·15 cites·19 claims
- 0447US4639129AMethod of measuring distance between two observation pointsSERCEL RECH CONST ELECT·Filed 1984·Granted Jan 27, 1987·14 cites·30 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →