POWERPERFECTOR LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 199
 
 
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 183

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7786717 Transforming apparatus for automatically adjusting three-phase power supply voltageJul 24, 08Aug 31, 10[H01F]
5654627 Method of automatically changing upper, balanced and lower voltage in electric power saving transformer and the device of the sameJan 05, 96Aug 05, 97[G05F]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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