Inventor
BERTRAM LEO
29 patents
Patents
29 patentsUS5022315AJun 11, 1991
Small electric household utensil for the production of foods by mixing by stirring
PHILIPS CORP68 citations96
US5738072AApr 14, 1998
Device for actuating a control member
PHILIPS CORP44 citations92
US5624100AApr 29, 1997
Device for actuating a control member
PHILIPS CORP49 citations92
US4714851ADec 22, 1987
Single-phase synchronous motor comprising a two-pole permanent-magnet rotor
PHILIPS CORP27 citations92
US4691132ASep 1, 1987
Synchronous motor with two-pole permanent-magnet soft-magnetic-core rotor
PHILIPS CORP33 citations92
US4637283AJan 20, 1987
Corkscrew device
PHILIPS CORP34 citations92
US4577129AMar 18, 1986
Electric motor having two co-planar stator sections
PHILIPS CORP26 citations92
US4554471ANov 19, 1985
Electric motor having a U-shaped stator iron
PHILIPS CORP34 citations92
US5121020AJun 9, 1992
Rotor for an electric motor
PHILIPS CORP19 citations82
US5012147AApr 30, 1991
Domestic vibration apparatus with lever drive
PHILIPS CORP21 citations82
US4803390AFeb 7, 1989
Dual motor drive arrangement for a small domestic appliance
PHILIPS CORP23 citations82
US4684840AAug 4, 1987
Synchronous motor having a permanent-magnet modular rotor
PHILIPS CORP22 citations82
US4008985AFeb 22, 1977
Pumping device for fluids
PHILIPS CORP27 citations82
US5118977AJun 2, 1992
Two-pole single-phase synchronous motor with permanent-magnet rotor, and starting device for use in the single-phase synchronous motor
PHILIPS CORP16 citations74
US4979297ADec 25, 1990
Rotary shaving head for an electric shaving apparatus
PHILIPS CORP16 citations74
US4948999AAug 14, 1990
Self-starting two-pole single-phase synchronous motor
PHILIPS CORP9 citations74
US4827171AMay 2, 1989
Single-phase synchronous motor comprising a two-pole permanent-magnetic rotor and an eddy-current intermediate rotor
PHILIPS CORP14 citations74
US4791327ADec 13, 1988
Drive mechanism for a domestic vibration apparatus
PHILIPS CORP9 citations74
US4759192AJul 26, 1988
Domestic appliance comprising a tool
PHILIPS CORP13 citations74
US4604539AAug 5, 1986
Drive mechanism with a rotary drive motor
PHILIPS CORP10 citations74
US4503346AMar 5, 1985
Electric motor having a stator iron of a bent shape
PHILIPS CORP18 citations74
US4812691AMar 14, 1989
Device for improving the stability of rotation of the rotor of a single-phase synchronous motor
PHILIPS CORP8 citations73
US4709752ADec 1, 1987
Cooling arrangement for heat generating electrical components
PHILIPS CORP12 citations73
US5164654ANov 17, 1992
Solar energy operated automatic charge device for electric appliances
PHILIPS CORP18 citations69
US4500825AFeb 19, 1985
Self-starting single-phase synchronous motor
PHILIPS CORP3 citations63
US4636676AJan 13, 1987
Single-phase synchronous motor with two-pole permanent-magnet rotor
PHILIPS CORP2 citations62
US4807365AFeb 28, 1989
Method for making the shaving head of a dry-shaving apparatus
PHILIPS CORP5 citations61
US4628607ADec 16, 1986
Vibration dry shaving apparatus driven by a bipolar uniphase synchronous motor
PHILIPS CORP6 citations57
US5158562AOct 27, 1992
Epilating device having epilating rollers rotatingly drivable in opposite directions
PHILIPS CORP0 citations52