Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Spark plug extender

Spark plug extender

US Patent D349683 · Granted Aug 16, 1994

Assignee

No assignee recorded.

Inventors

Unknown

View full patent text on Google Patents →

More Patents by These Inventors

System and method for increasing spark current to spark plugs2005

Combustion initiation device and method for tuning a combustion initiation devic2003

IC-engine ignition coil2002

High performance IC engine ignition coil1998

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly