Mechanism for turning ships' davits

Mechanism for winding and paying out cables and the like

Mechanism to be mounted between two parts, whose mutual...

Mechanism to fold and unfold truck forks

Mechanized jack stand

Metal chain sling

Method and aparatus for increasing the traffic handling...

Method and apparatus for a simplified wiring system for...

Method and apparatus for aerial wire stringing through areas...

Method and apparatus for automatically controlling pressure...

Method and apparatus for braking a derrick winch

Method and apparatus for constructing multi-storied concrete...

Method and apparatus for control of high speed elevator

Method and apparatus for controlling and automatically...

Method and apparatus for controlling and regulating the...

Method and apparatus for controlling elevators with double cars

Method and apparatus for controlling speed and direction of...

Method and apparatus for controlling the position of a...

Method and apparatus for detecting mechanical overload of a...

Method and apparatus for effecting relative movement of...