Inventor

VITHAYATHIL JOHN J

US6 patents

⚠️ This page may combine multiple inventors who share the name “VITHAYATHIL JOHN J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

(unassigned)

3 patents

US6587362B1Jul 1, 2003

AC-DC converters with bi-directional thyristor valves

30 citations89

US6188204B1Feb 13, 2001

Brushless AC field system for stable frequency variable speed alternators

47 citations88

US6479910B1Nov 12, 2002

Method and circuits for changing the ratings of a three phase circuit by delta-star switching

7 citations71

VITHAYATHIL JOHN J

2 patents

US5032738AJul 16, 1991

Scheme for rapid adjustment of network impedance

VITHAYATHIL JOHN J96 citations92

US6867570B2Mar 15, 2005

Circuit arrangement for the static generation of a variable electric output

VITHAYATHIL JOHN J15 citations81

ASEA BROWN BOVERI

1 patent

US5414612AMay 9, 1995

HVDC transmission with a converter connected between an AC voltage and a DC link common to the converters

ASEA BROWN BOVERI28 citations90