Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Wrist pin lubrication system for two-cycle engines

Wrist pin lubrication system for two-cycle engines

US Patent 4831979 · Granted May 23, 1989

Estimated economic value: $2,848,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and apparatus for inter-cylinder lubrication transfer in a multi-cylinder2005
Oil injection system2004
Marine engine cooling systems and methods2004
Fuel injected engine with cross scavenging2002
Connecting rod and crankshaft assembly1998
Fuel-injected internal combustion engine with improved combustion1997
Specimen load control mechanism for automatic polishing apparatus1997
Pressure and temperature relief valve and diaphragm valve1995
Combustion chamber for internal combustion engine1995
Tiller arm and steering bracket assembly1995
Hidden lower motor cover attachment means1994
Flushing system for outboard motor1994