Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Spark plug with increased durability

Spark plug with increased durability

US Patent 7234429 · Granted Jun 26, 2007

Estimated economic value: $91,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Electronic component2023
Ground electrode for spark plug and spark plug2023
Iridium alloy2023
Arc discharge detection device2022
Spark plug for internal combustion engine having a shaped composite chip on cent2021
Wireless switch2020
Carbody of railcar2020
State display apparatus, state display system, and radio transmission apparatus2020
Power generation apparatus and wireless switch2019
Radio communication system and non-transitory computer-readable storage medium2019
Ignition plug for an internal combustion engine and method for manufacturing the2019
Electrode material and electrode for ignition plug, and ignition plug2019