Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Glow plug and spark plug, and manufacturing method therefor

Glow plug and spark plug, and manufacturing method therefor

US Patent 7122947 · Granted Oct 17, 2006

Estimated economic value: $14,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

System and method for supporting corporate business2024
Manufacture and sales strategy planning method and device thereof2023
Problem structure extraction support system, problem structure extraction suppor2019
Fuel cell with separator, method for manufacturing same, and fuel cell stack2018
Spark plug2015
Spark plug2015
Spark plug, and main metal fitting for spark plug2014
Spark plug and metal shell for spark plug2014
Spark plug having stress corrosion cracking resistance2014
Spark plug and method of manufacturing the same2014
Spark plug for internal combustion engine and manufacturing method thereof2014
Spark plug having a novel nickel coating for the metal shell2013