Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Spark plug and method of manufacturing the same

Spark plug and method of manufacturing the same

US Patent 8937427 · Granted Jan 20, 2015

Estimated economic value: $17,228,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Spark plug having firing pad2019
Spark plug having firing pad2017
Welding system for attaching firing tips to spark plug electrodes2017
Spark plug having multi-layer sparking component attached to ground electrode2016
Spark plug having firing pad2016
Spark plug having a thin noble metal firing pad2015
Method of capacitive discharge welding firing tip to spark plug electrode2015
Spark plug with laser keyhole weld attaching ground electrode to shell2015
Spark plug having firing pad2015
Spark ignition device and ground electrode therefor and methods of construction 2014
Spark ignition device for an internal combustion engine, metal shell therefor an2014
Spark ignition device and ground electrode therefor and methods of construction2014