Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Positive crankcase ventilation system, cylinder head used for positive crankcase ventilation system, internal combustion engine including positive crankcase ventilation system, and positive crankcase ventilation method

US Patent 8511291 · Granted Aug 20, 2013

Estimated economic value: $1,839,000

Assignee

Inventors

View full patent text on Google Patents →