Costin Ifrim

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Hamden, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Pole retention configuration for electric machine rotors
- Patent number 8,487,496
- Issue date Jul 16, 2013
- DRS Power Technology, Inc.
- Costin Ifrim
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Pole retention configuration for electric machine rotors
- Patent number 7,911,104
- Issue date Mar 22, 2011
- DRS Power Technology, Inc.
- Costin Ifrim
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Field controlled permanent magnet brushless electric machine
- Patent number 6,900,570
- Issue date May 31, 2005
- Ecoair Corp.
- Costin Ifrim
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Permanent magnet rotor portion for electric machines
- Patent number 6,703,741
- Issue date Mar 9, 2004
- Ecoair Corp.
- Costin Ifrim
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
POLE RETENTION CONFIGURATION FOR ELECTRIC MACHINE ROTORS
- Publication number 20110227441
- Publication date Sep 22, 2011
- Costin Ifrim
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Pole Retention Configuration For Electric Machine Rotors
- Publication number 20100231085
- Publication date Sep 16, 2010
- DRS POWER TECHNOLOGY, INC.
- Costin Ifrim
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Hybrid brushless electric machine
- Publication number 20020180297
- Publication date Dec 5, 2002
- Costin Ifrim
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER