Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Two-rail trolley

Two-rail trolley

US Patent 4653407 · Granted Mar 31, 1987

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Hand-held radio transmitter2002
Sending head for a handheld wireless transmitter2001
Suspension system for attaching a load-bearing member to a lifting mechanism of 2001
Hoist with a lifting device1996
Hoist with a lifting device1996
Cylinder grate1995
Method and apparatus for the wireless control of lift devices by infrared transm1995
Easily disassemblable compact hoist1992
Motor with axially displaceable rotor1989
Overload protection1988
Signal and current transmission system with transducers spaced by the collector 1987
Winch drive1986