Kjeld Hellegaard

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Nordborg, DK

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Patents Grantslast 30 patents

Information Patent Grant
Laminated core for electromagnetic applications
- Patent number 9,000,650
- Issue date Apr 7, 2015
- Grundfos A/S
- Niels Kristian Bach Andersen
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Permanent magnet rotor having slanted or curved grooves
- Patent number 8,067,872
- Issue date Nov 29, 2011
- Grundfos A/S
- Henrik Ørskov Pedersen
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Position indicator for an actuating drive
- Patent number 4,728,921
- Issue date Mar 1, 1988
- Danfoss A/S
- Jens N. Andresen
- G01 - MEASURING TESTING
Information Patent Grant
Electronic switching apparatus
- Patent number 4,607,171
- Issue date Aug 19, 1986
- Danfoss A/S
- Kjeld Hellegaard
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Current supply apparatus for an A.C. consumer
- Patent number 4,574,341
- Issue date Mar 4, 1986
- Danfoss A/S
- Kjeld Hellegaard
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Low power loss snubber for switching power transistors
- Patent number 4,572,969
- Issue date Feb 25, 1986
- Danfoss A/S
- Kjeld Hellegaard
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
STATOR
- Publication number 20130002060
- Publication date Jan 3, 2013
- GRUNDFOS HOLDING A/S
- Torben MOLLER
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PERMANENT MAGNET ROTOR
- Publication number 20090127961
- Publication date May 21, 2009
- Grundfos A/S
- Henrik Orskov Pedersen
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Laminated core for electromagnetic applications
- Publication number 20070196615
- Publication date Aug 23, 2007
- Grundfos A/S
- Niels Kristian Bach Andersen
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC