Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Four stroke engine with a fuel saving sleeve

Four stroke engine with a fuel saving sleeve

US Patent 7438028 · Granted Oct 21, 2008

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Energy storing engine2006
Mechanical freezer2005
Two stroke internal combustion engine2004
Warren cycle engine2002
Two stroke regenerative external combustion engine2002
Variable inlet valve damper for an internal combustion engine2002
Volume reducing piston2001
Regenerator protector2001
Multiple heat exchanging chamber engine2001
Two stroke engine with displacer2001
Two stroke regenerative engine2000
Electronic interlock for storage assemblies1998