Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Internal combustion engine having variable valve lift mechanism

Internal combustion engine having variable valve lift mechanism

US Patent 7869929 · Granted Jan 11, 2011

Estimated economic value: $480,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Fuel cell stack2020
Control of spark ignited internal combustion engine2012
Adjustable valve drive device of engine2010
Control of engine intake system2008
Visible radiation type photocatalyst and production method thereof2005
Electronic copying machine with facsimile1996
Portable laptop computer1996
Portable laptop computer1995
Video game machine1995
Portable laptop computer1994
Portable laptop computer1994
Portable laptop computer1993