LandOfFree - US Patents - Listing for Traversing hoists

Mechanical log yarding carriage

Traversing hoists – Having horizontally swinging boom or bridge – Having specific bearing structure

Mechanism for rotating a crane turret through a 500.degree. arc

Traversing hoists – Having vertically swinging boom – Having means to swing boom vertically

Mechanism for suppressing displacement of travelling crane

Traversing hoists – With haul-in line

Mechanism for suppressing vibrations of travelling crane

Traversing hoists – Having boom shiftable vertically along a linear path – Length of hoisting cable between boom and load decreases...

Medical bed apparatus

Traversing hoists – Having means to prevent or dampen load oscillations – Antisway

Method and apparatus for controlling and operating a container c

Traversing hoists – Methods

Method and apparatus for controlling and operating a container c

Traversing hoists – Having means to prevent or dampen load oscillations – Antisway

Method and apparatus for controlling the loading element and loa

Traversing hoists – Having means facilitating assembly or disassembly – Of boom sections

Method and apparatus for disassembling sectional boom of tower c

Method and apparatus for erecting a vertical structure

Traversing hoists – Having vertically swinging boom – Having means to swing boom vertically

Method and apparatus for extending fly section of crane boom

Method and apparatus for handling a coil

Method and apparatus for indicating effective digging depth of a

Traversing hoists – Having counterweight or counterbalancing means – Counterweight movable relative to load support

Method and apparatus for mounting lift crane on offshore structu

Traversing hoists – With haul-in line

Method and apparatus for preventing boom overload

Traversing hoists – Having horizontally swinging boom or bridge – Having fluid ram directly actuating load cable or sheave...

Method and apparatus for reduced radius turning for large rail m

Traversing hoists – Having means to prevent or dampen load oscillations – Antisway

Method and apparatus for reduced vibration of human operated mac

Traversing hoists – Having means facilitating assembly or disassembly – Of traversing hoist from support

Method and apparatus for removing a crashed aircraft

Traversing hoists – Boom or mast – Extensible by sliding sections

Method and apparatus for telescoping boom with hydraulic...

Reexamination Certificate