Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Variable valve lift/timing mechanism

Variable valve lift/timing mechanism

US Patent 4774913 · Granted Oct 4, 1988

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Engine oil system with variable displacement pump2004
Engine oil pump and balance shaft module2003
Fuel tank venting1989
Adaptive dilution control for IC engine responsive to LPP1988