Inventor · disambiguated record
Hubert Portmann
Also filed as: PORTMANN HUBERT
16 granted patents·294 citations·filing 1974–1982
94Inventor score
Top patents by PatentIndex Score
16 records- 0194US4068295AVoltage multiplier for an electronic time apparatusEBAUCHES SA·Filed 1976·Granted Jan 10, 1978·68 cites·5 claims
- 0287US4291266ADevice for charging an accumulator from an electrical energy source more particularly for an electronic watchEBAUCHES SA·Filed 1979·Granted Sep 22, 1981·38 cites·5 claims
- 0386US3993985AIndicator for the condition of a battery operating a timepieceEBAUCHES SA·Filed 1974·Granted Nov 23, 1976·42 cites·7 claims
- 0483US3943696AControl device for setting a timepieceEBAUCHES SA·Filed 1974·Granted Mar 16, 1976·29 cites·6 claims
- 0581US4134057ADevice for enabling an accumulator to be recharged from a source of electrical energyEBAUCHES SA·Filed 1976·Granted Jan 9, 1979·37 cites·10 claims
- 0679US4109457AUniversal electronic timepieceEBAUCHES SA·Filed 1976·Granted Aug 29, 1978·17 cites·4 claims
- 0761US4030284AControl device for an electronic wrist watchEBAUCHES SA·Filed 1975·Granted Jun 21, 1977·9 cites·4 claims
- 0854US4139279AElectronic instrumentEBAUCHES SA·Filed 1977·Granted Feb 13, 1979·10 cites·1 claims
- 0953US4477194ADevice for controlling the functions of an electronic watchEBAUCHES SA·Filed 1980·Granted Oct 16, 1984·11 cites·12 claims
- 1050US4024678AControl and correction circuit for an electronic watchEBAUCHES SA·Filed 1975·Granted May 24, 1977·6 cites·3 claims
- 1146US4425027ALiquid crystal display cell having capacitance compensationASULAB SA·Filed 1981·Granted Jan 10, 1984·10 cites·3 claims
- 1238US4412215ANovel control means for an electrochromic displayEBAUCHES SA·Filed 1982·Granted Oct 25, 1983·5 cites·2 claims
- 1336US4145872AElectronic watchEBAUCHES SA·Filed 1977·Granted Mar 27, 1979·2 cites·10 claims
- 1435US4429955APassive electro-optical display with screen and control electrodesASULAB SA·Filed 1981·Granted Feb 7, 1984·5 cites·3 claims
- 1533US4431314APresettable digital time-piece display systemEBAUCHES SA·Filed 1982·Granted Feb 14, 1984·2 cites·4 claims
- 1633US4144704ASafety device for battery-operated watchesEBAUCHES SA·Filed 1975·Granted Mar 20, 1979·3 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →