LandOfFree - US Patents - Listing for Electric power conversion systems,Current conversion

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Power supply device

Electric power conversion systems – Current conversion – Having plural converters for single conversion

Reexamination Certificate

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Power supply device

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter

Reexamination Certificate

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Power supply device

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter

Reexamination Certificate

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Power supply device

Electric power conversion systems – Current conversion – Using semiconductor-type converter

Reexamination Certificate

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Power supply device

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Power supply device

Electric power conversion systems – Current conversion – Using semiconductor-type converter

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Power supply device

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter

Reexamination Certificate

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Power supply device

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter

Patent

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Power supply device

Electric power conversion systems – Current conversion – With means to introduce or eliminate frequency components

Reexamination Certificate

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Power supply device

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter

Reexamination Certificate

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Power supply device and air conditioner using the same

Electric power conversion systems – Current conversion – With means to introduce or eliminate frequency components

Reissue Patent

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Power supply device and air conditioner using the same

Electric power conversion systems – Current conversion – With means to introduce or eliminate frequency components

Reexamination Certificate

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Power supply device and method with a power factor...

Electric power conversion systems – Current conversion – With condition responsive means to control the output...

Reexamination Certificate

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Power supply device and single photo-coupler control circuit...

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter

Reexamination Certificate

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Power supply device comprising means for modulating the output t

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter

Patent

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Power supply device comprising several switched-mode power...

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter

Reexamination Certificate

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Power supply device featuring synchronous mode and asynchronous

Electric power conversion systems – Current conversion – With means to introduce or eliminate frequency components

Patent

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Power supply device for a light box including first and...

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter

Reexamination Certificate

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Power supply device for electromotive railcar

Electric power conversion systems – Current conversion – Having plural converters for single conversion

Reexamination Certificate

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Power supply device for enhancing heat-dissipating effect

Electric power conversion systems – Current conversion – With cooling means

Reexamination Certificate

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