Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Transformer-rectifier apparatus

Transformer-rectifier apparatus

US Patent 4255784 · Granted Mar 10, 1981

Estimated economic value: $1,205,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Fly swatter with integral disposal means2008
Harmonic neutralization of static inverters by successive stagger1994
Uninterruptible power supply system and load transfer static switch for such a s1993
24-pulse hexagon-type AC/DC static converter1991
Variable speed a-c drive1989
AC/DC or DC/AC converter system with outboard commutation inductors1987
High frequency inverter circuit for melting and induction heating1987
Control system for machine commutated inverter-synchronous motor drives1984
AC/DC or DC/AC Converter system with improved AC-line harmonic reduction1982
Thyristor-controlled AC/DC converter system1982
Gating circuit for high voltage thyristor strings1981
Thyristor tap changer for electrical inductive apparatus1980