Inventor · disambiguated record
Leo Bertram
Also filed as: BERTRAM LEO
29 granted patents·586 citations·filing 1975–1996
97Inventor score
Files withPHILIPS CORP29
Top patents by PatentIndex Score
29 records- 0184US5022315ASmall electric household utensil for the production of foods by mixing by stirringPHILIPS CORP·Filed 1989·Granted Jun 11, 1991·68 cites·12 claims
- 0283US5738072ADevice for actuating a control memberPHILIPS CORP·Filed 1996·Granted Apr 14, 1998·44 cites·4 claims
- 0380US5624100ADevice for actuating a control memberPHILIPS CORP·Filed 1995·Granted Apr 29, 1997·49 cites·20 claims
- 0478US4637283ACorkscrew devicePHILIPS CORP·Filed 1985·Granted Jan 20, 1987·34 cites·16 claims
- 0574US4691132ASynchronous motor with two-pole permanent-magnet soft-magnetic-core rotorPHILIPS CORP·Filed 1986·Granted Sep 1, 1987·33 cites·13 claims
- 0674US4554471AElectric motor having a U-shaped stator ironPHILIPS CORP·Filed 1985·Granted Nov 19, 1985·34 cites·24 claims
- 0774US4008985APumping device for fluidsPHILIPS CORP·Filed 1975·Granted Feb 22, 1977·27 cites·4 claims
- 0872US4577129AElectric motor having two co-planar stator sectionsPHILIPS CORP·Filed 1984·Granted Mar 18, 1986·26 cites·6 claims
- 0968US4714851ASingle-phase synchronous motor comprising a two-pole permanent-magnet rotorPHILIPS CORP·Filed 1986·Granted Dec 22, 1987·27 cites·8 claims
- 1063US4503346AElectric motor having a stator iron of a bent shapePHILIPS CORP·Filed 1984·Granted Mar 5, 1985·18 cites·22 claims
- 1159US5121020ARotor for an electric motorPHILIPS CORP·Filed 1989·Granted Jun 9, 1992·19 cites·3 claims
- 1257US5012147ADomestic vibration apparatus with lever drivePHILIPS CORP·Filed 1989·Granted Apr 30, 1991·21 cites·40 claims
- 1357US4803390ADual motor drive arrangement for a small domestic appliancePHILIPS CORP·Filed 1987·Granted Feb 7, 1989·23 cites·11 claims
- 1457US4684840ASynchronous motor having a permanent-magnet modular rotorPHILIPS CORP·Filed 1985·Granted Aug 4, 1987·22 cites·16 claims
- 1553US5164654ASolar energy operated automatic charge device for electric appliancesPHILIPS CORP·Filed 1990·Granted Nov 17, 1992·18 cites·20 claims
- 1650US4979297ARotary shaving head for an electric shaving apparatusPHILIPS CORP·Filed 1988·Granted Dec 25, 1990·16 cites·6 claims
- 1750US4827171ASingle-phase synchronous motor comprising a two-pole permanent-magnetic rotor and an eddy-current intermediate rotorPHILIPS CORP·Filed 1987·Granted May 2, 1989·14 cites·5 claims
- 1849US5118977ATwo-pole single-phase synchronous motor with permanent-magnet rotor, and starting device for use in the single-phase synchronous motorPHILIPS CORP·Filed 1990·Granted Jun 2, 1992·16 cites·15 claims
- 1948US4759192ADomestic appliance comprising a toolPHILIPS CORP·Filed 1987·Granted Jul 26, 1988·13 cites·6 claims
- 2048US4709752ACooling arrangement for heat generating electrical componentsPHILIPS CORP·Filed 1986·Granted Dec 1, 1987·12 cites·9 claims
- 2145US4791327ADrive mechanism for a domestic vibration apparatusPHILIPS CORP·Filed 1986·Granted Dec 13, 1988·9 cites·16 claims
- 2243US4604539ADrive mechanism with a rotary drive motorPHILIPS CORP·Filed 1985·Granted Aug 5, 1986·10 cites·6 claims
- 2341US4948999ASelf-starting two-pole single-phase synchronous motorPHILIPS CORP·Filed 1989·Granted Aug 14, 1990·9 cites·3 claims
- 2438US4812691ADevice for improving the stability of rotation of the rotor of a single-phase synchronous motorPHILIPS CORP·Filed 1987·Granted Mar 14, 1989·8 cites·11 claims
- 2536US4628607AVibration dry shaving apparatus driven by a bipolar uniphase synchronous motorPHILIPS CORP·Filed 1985·Granted Dec 16, 1986·6 cites·3 claims
- 2634US4500825ASelf-starting single-phase synchronous motorPHILIPS CORP·Filed 1982·Granted Feb 19, 1985·3 cites·10 claims
- 2731US4807365AMethod for making the shaving head of a dry-shaving apparatusPHILIPS CORP·Filed 1987·Granted Feb 28, 1989·5 cites·5 claims
- 2830US5158562AEpilating device having epilating rollers rotatingly drivable in opposite directionsPHILIPS CORP·Filed 1990·Granted Oct 27, 1992·0 cites·3 claims
- 2930US4636676ASingle-phase synchronous motor with two-pole permanent-magnet rotorPHILIPS CORP·Filed 1985·Granted Jan 13, 1987·2 cites·11 claims
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