Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › High-pressure sodium vapor discharge lamp

High-pressure sodium vapor discharge lamp

US Patent 4374339 · Granted Feb 15, 1983

Estimated economic value: $393,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

High-pressure sodium discharge lamp1997
High-pressure discharge lamp with ceramic vessel1993
HID lamp with multiple discharge devices1990
Emitterless SDN electrode1990
Emitterless SDN electrode1990
Multiple discharge device hid lamp with preferential starting1988
High-pressure sodium discharge lamp1988
High-pressure metal vapor discharge lamp1985
High-pressure discharge lamp current supply member and mounting seal constructio1984
High-pressure sodium vapor discharge lamp1983
High-pressure sodium vapor discharge lamp1983
High-pressure sodium vapor discharge lamp1982