Inventor · disambiguated record
John J. Vithayathil
Also filed as: VITHAYATHIL JOHN J
6 granted patents·1 pending application·223 citations·filing 1986–2002
86Inventor score
Top patents by PatentIndex Score
7 records- 0191US5032738AScheme for rapid adjustment of network impedanceVITHAYATHIL JOHN J·Filed 1986·Granted Jul 16, 1991·96 cites·29 claims
- 0275US6188204B1Brushless AC field system for stable frequency variable speed alternatorsFiled 1999·Granted Feb 13, 2001·47 cites·6 claims
- 0373US6587362B1AC-DC converters with bi-directional thyristor valvesFiled 2002·Granted Jul 1, 2003·30 cites·4 claims
- 0458US6867570B2Circuit arrangement for the static generation of a variable electric outputVITHAYATHIL JOHN J·Filed 2001·Granted Mar 15, 2005·15 cites·7 claims
- 0554US5414612AHVDC transmission with a converter connected between an AC voltage and a DC link common to the convertersASEA BROWN BOVERI·Filed 1993·Granted May 9, 1995·28 cites·22 claims
- 0648US6479910B1Method and circuits for changing the ratings of a three phase circuit by delta-star switchingFiled 2000·Granted Nov 12, 2002·7 cites·3 claims
- 0730US2003223256A1AC-DC converters with integrated SVCFiled 2002·Application pending·0 cites
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