Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › High pressure sodium vapor lamp with voltage rise compensator

High pressure sodium vapor lamp with voltage rise compensator

US Patent 4182976 · Granted Jan 8, 1980

Estimated economic value: $830,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

High pressure electric discharge lamp employing a metal spiral with positive pot1985
Starting arrangement for high-intensity-discharge sodium lamp1984
High-intensity-discharge lamp of the mercury-metal halide type which efficiently1982
High-intensity-discharge lamp with improved color rendition of illuminated objec1982
Resistor-aided starting of metal halide lamps1981
Starting arrangement for high pressure discharge sodium lamp1980