Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Solid state frequency converter

Solid state frequency converter

US Patent 4370703 · Granted Jan 25, 1983

Estimated economic value: $759,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Noise controlling method and system2024
Active noise control method and system2021
Indexing of digitized entities2009
Method of indexing digitized entities in a data collection to facilitate searchi2009
Semiconductor device1989
Stabilized welding power source including a series-resonant current-regulated co1988
Semiconductor device1986
Uninterrupted power system with frequency and phase control1984
Three phase square wave welding power supply1984
Wireless remote control for electric welder1980