Marc A. Heyraud

Person

La Chaux-de-Fonds, CH

People

Patents Grantslast 30 patents

Information Patent Grant
Encapsulated magnets in a permanent magnet rotor
- Patent number 5,488,260
- Issue date Jan 30, 1996
- Johnson Electric S.A.
- Marc A. Heyraud
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Incremental optical encoder with radiation regulation means
- Patent number 4,982,085
- Issue date Jan 1, 1991
- La Chaux de Fonds
- Marc Heyraud
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Variable colorant blender
- Patent number 4,723,712
- Issue date Feb 9, 1988
- Egli; Jean
- Jean Egli
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
DC motor with commutator rotor
- Patent number 4,716,330
- Issue date Dec 29, 1987
- Asgalium S.A.
- Marc Heyraud
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric motor drive equipped with a permanently magnetized rotor
- Patent number 4,684,860
- Issue date Aug 4, 1987
- Asgalium S.A.
- Marc A. Heyraud
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric motor having auxiliary portions distributed at a pitch whi...
- Patent number 4,677,332
- Issue date Jun 30, 1987
- Asgalium S.A.
- Marc A. Heyraud
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC motor
- Patent number 4,661,733
- Issue date Apr 28, 1987
- Asgalium S.A.
- Marc A. Heyraud
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electromechanical transducer having a self-inductance cancelling co...
- Patent number 4,634,912
- Issue date Jan 6, 1987
- Asgalium S.A.
- Marc A. Heyraud
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method of making self-supporting rotor coil dc-machine
- Patent number 4,291,457
- Issue date Sep 29, 1981
- Marc Heyraud
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Marc A. Heyraud

Person

Patents Grantslast 30 patents

Encapsulated magnets in a permanent magnet rotor

Incremental optical encoder with radiation regulation means

Variable colorant blender

DC motor with commutator rotor

Electric motor drive equipped with a permanently magnetized rotor

Electric motor having auxiliary portions distributed at a pitch whi...

DC motor

Electromechanical transducer having a self-inductance cancelling co...

Method of making self-supporting rotor coil dc-machine