Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Spark plug insulator structure

Spark plug insulator structure

US Patent 5128583 · Granted Jul 7, 1992

Estimated economic value: $26,225,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Pair of training scissors2001
Intake manifold system1997
Operation of an internal combustion engine1997
Internal combustion engine1996
Phase change mechanism1996
Catalytic converter1995
Operation of an internal combustion engine1995
Tuned intake system1995
Hydrocarbon emission control1994
Internal combustion engine having variable event timing1994
Emission control1993
Phase change mechanism1992