VACON OYJ

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 183

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0309,282 Restart control of an A.C. motor driveAbandonedJun 03, 08Dec 18, 08[H02P]
2008/0266,727 Control of a power semiconductor switchAbandonedApr 29, 08Oct 30, 08[H02H]
2008/0078,529 Cooling of the power components of a frequency converterAbandonedSep 27, 07Apr 03, 08[F28D]
7248489 Control of the mains bridge of a frequency converterExpiredJun 16, 05Jul 24, 07[H02M]
7200018 Charging of a filter capacitor in the intermediate circuit of a frequency converterExpiredDec 02, 04Apr 03, 07[H02M]
7190597 Control of an inverter pulse-width modulatorExpiredJun 16, 05Mar 13, 07[H02J]
2006/0171,176 Power sourceAbandonedJan 27, 06Aug 03, 06[H02M]
7061759 Arrangement for the placement of frequency convertersExpiredApr 08, 04Jun 13, 06[H05K]
7035123 Frequency converter and its control methodExpiredJan 30, 04Apr 25, 06[H02M]
7023712 Cooling arrangement in frequency converterExpiredOct 14, 03Apr 04, 06[H05K]
6900715 Fastening deviceExpiredMay 28, 03May 31, 05[H01F]
6885171 Compensation of reactive power via a frequency converterExpiredAug 27, 03Apr 26, 05[H02J]
6885269 Fastening device for toroidal choking coilExpiredMay 28, 03Apr 26, 05[H01F]
6807074 Control of an inverterExpiredMay 16, 03Oct 19, 04[H02M]
6790091 Shielding arrangement in connector and connectorExpiredOct 06, 03Sep 14, 04[H01P]
6583706 Toroidal choking coilExpiredMar 02, 01Jun 24, 03[H01F]
6400555 Arrangement for fastening and protecting a capacitorExpiredMar 02, 01Jun 04, 02[H01G]
6388907 Arrangement in frequency converterExpiredApr 10, 01May 14, 02[H02M]
2001/0021,598 Arrangement for grounding shielded cableAbandonedMar 02, 01Sep 13, 01[H01R]

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