Leo Bertram

Person

Stolberg, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Device for actuating a control member
- Patent number 5,624,100
- Issue date Apr 29, 1997
- U.S. Philips Corporation
- Ekkehard Bolte
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Solar energy operated automatic charge device for electric appliances
- Patent number 5,164,654
- Issue date Nov 17, 1992
- U.S. Philips Corporation
- Leo Bertram
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Epilating device having epilating rollers rotatingly drivable in op...
- Patent number 5,158,562
- Issue date Oct 27, 1992
- U.S. Philips Corp.
- Leo Bertram
- A45 - HAND OR TRAVELLING ARTICLES
Information Patent Grant
Rotor for an electric motor
- Patent number 5,121,020
- Issue date Jun 9, 1992
- U.S. Philips Corp.
- Leo Bertram
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Two-pole single-phase synchronous motor with permanent-magnet rotor...
- Patent number 5,118,977
- Issue date Jun 2, 1992
- U.S. Philips Corporation
- Leo Bertram
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Small electric household utensil for the production of foods by mix...
- Patent number 5,022,315
- Issue date Jun 11, 1991
- U.S. Philips Corporation
- Leo Bertram
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Domestic vibration apparatus with lever drive
- Patent number 5,012,147
- Issue date Apr 30, 1991
- U.S. Philips Corporation
- Leo Bertram
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Rotary shaving head for an electric shaving apparatus
- Patent number 4,979,297
- Issue date Dec 25, 1990
- U.S. Philips Corp.
- Leo Bertram
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Self-starting two-pole single-phase synchronous motor
- Patent number 4,948,999
- Issue date Aug 14, 1990
- U.S. Philips Corporation
- Leo Bertram
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Single-phase synchronous motor comprising a two-pole permanent-magn...
- Patent number 4,827,171
- Issue date May 2, 1989
- U.S. Philips Corporation
- Leo Bertram
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Device for improving the stability of rotation of the rotor of a si...
- Patent number 4,812,691
- Issue date Mar 14, 1989
- U.S. Philips Corp.
- Leo Bertram
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Method for making the shaving head of a dry-shaving apparatus
- Patent number 4,807,365
- Issue date Feb 28, 1989
- U.S. Philips Corp.
- Leo Bertram
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Dual motor drive arrangement for a small domestic appliance
- Patent number 4,803,390
- Issue date Feb 7, 1989
- U.S. Philips Corporation
- Leo Bertram
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Drive mechanism for a domestic vibration apparatus
- Patent number 4,791,327
- Issue date Dec 13, 1988
- U.S. Philips Corp.
- Leo Bertram
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Domestic appliance comprising a tool
- Patent number 4,759,192
- Issue date Jul 26, 1988
- U.S. Philips Corp.
- Leo Bertram
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Single-phase synchronous motor comprising a two-pole permanent-magn...
- Patent number 4,714,851
- Issue date Dec 22, 1987
- U.S. Philips Corporation
- Leo Bertram
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Cooling arrangement for heat generating electrical components
- Patent number 4,709,752
- Issue date Dec 1, 1987
- U.S. Philips Corporation
- Johann Schroder
- A45 - HAND OR TRAVELLING ARTICLES
Information Patent Grant
Synchronous motor with two-pole permanent-magnet soft-magnetic-core...
- Patent number 4,691,132
- Issue date Sep 1, 1987
- U.S. Philips Corporation
- Leo Bertram
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Synchronous motor having a permanent-magnet modular rotor
- Patent number 4,684,840
- Issue date Aug 4, 1987
- U.S. Philips Corporation
- Leo Bertram
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Corkscrew device
- Patent number 4,637,283
- Issue date Jan 20, 1987
- U.S. Philips Corporation
- Leo Bertram
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information Patent Grant
Single-phase synchronous motor with two-pole permanent-magnet rotor
- Patent number 4,636,676
- Issue date Jan 13, 1987
- U.S. Philips Corporation
- Leo Bertram
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Vibration dry shaving apparatus driven by a bipolar uniphase synchr...
- Patent number 4,628,607
- Issue date Dec 16, 1986
- U.S. Philips Corporation
- Leo Bertram
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Drive mechanism with a rotary drive motor
- Patent number 4,604,539
- Issue date Aug 5, 1986
- U.S. Philips Corporation
- Leo Bertram
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Electric motor having two co-planar stator sections
- Patent number 4,577,129
- Issue date Mar 18, 1986
- U.S. Philips Corporation
- Leo Bertram
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric motor having a U-shaped stator iron
- Patent number 4,554,471
- Issue date Nov 19, 1985
- U.S. Philips Corporation
- Leo Bertram
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric motor having a stator iron of a bent shape
- Patent number 4,503,346
- Issue date Mar 5, 1985
- U.S. Philips Corporation
- Leo Bertram
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Self-starting single-phase synchronous motor
- Patent number 4,500,825
- Issue date Feb 19, 1985
- U.S. Philips Corporation
- Hugo Schemmann
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Leo Bertram

Person

Patents Grantslast 30 patents

Device for actuating a control member

Solar energy operated automatic charge device for electric appliances

Epilating device having epilating rollers rotatingly drivable in op...

Rotor for an electric motor

Two-pole single-phase synchronous motor with permanent-magnet rotor...

Small electric household utensil for the production of foods by mix...

Domestic vibration apparatus with lever drive

Rotary shaving head for an electric shaving apparatus

Self-starting two-pole single-phase synchronous motor

Single-phase synchronous motor comprising a two-pole permanent-magn...

Device for improving the stability of rotation of the rotor of a si...

Method for making the shaving head of a dry-shaving apparatus

Dual motor drive arrangement for a small domestic appliance

Drive mechanism for a domestic vibration apparatus

Domestic appliance comprising a tool

Single-phase synchronous motor comprising a two-pole permanent-magn...

Cooling arrangement for heat generating electrical components

Synchronous motor with two-pole permanent-magnet soft-magnetic-core...

Synchronous motor having a permanent-magnet modular rotor

Corkscrew device

Single-phase synchronous motor with two-pole permanent-magnet rotor

Vibration dry shaving apparatus driven by a bipolar uniphase synchr...

Drive mechanism with a rotary drive motor

Electric motor having two co-planar stator sections

Electric motor having a U-shaped stator iron

Electric motor having a stator iron of a bent shape

Self-starting single-phase synchronous motor