Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Glow plug manufacture

Glow plug manufacture

US Patent 4312120 · Granted Jan 26, 1982

Estimated economic value: $1,664,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Apparatus and method for separating ferrous and non-ferrous metal particles susp2007
Overhead return piping system2005