Electrode structure for a spark plug

Electrode structure for lithotripter

External negative electrode having a cambered shape

Flexible spark plug

Forming an erosion resistant tip on an electrode

Glow plug and spark plug, and manufacturing method therefor

Glow plug and spark plug, and manufacturing method therefor

Glow plug and spark plug, and manufacturing method therefor

Ground electrode structure of a spark plug for a gas engine

Ground electrodes for ignition plugs

Heater equipped spark plug

High efficiency, extended life spark plug having shaped firing t

High electrical stiction spark plug

High electrical stiction spark plug

High performance, long-life spark plug

High power discharge fuel ignitor

High thread ground shield

High thread spark plug with undercut insulator

Igniter structures and methods of making the same

Ignition anode, in particular for reignitable rocket...