2021
|
Invention
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Suspension work platform hoist system.
A suspension work platform hoist system for raising and l... |
2018
|
Invention
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Suspension work platform hoist system. A suspension work platform hoist system for raising and lo... |
2015
|
Invention
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Suspension work platform hoist system with communication and diagnostic system. A suspension work... |
2014
|
Invention
|
Motor control system having a reactive power reducing input power system. A motor control system ... |
2013
|
Invention
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Suspension platform system. A suspension platform system having a work platform suspended from at... |
|
Invention
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Safety lockout system. A safety lockout system for releasably locking a mast guided working surfa... |
|
Invention
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Multiple input voltage hoist system. A suspension work platform hoist system powered by an input ... |
2012
|
Invention
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Suspension work platform hoist system with tilt control. A suspension work platform hoist system ... |
|
Invention
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Suspension platform system. A suspension platform system having a work platform suspended between... |
2011
|
Invention
|
Aerial work cage |
|
Invention
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Suspension work platform hoist system with communication system. A suspension work platform hoist... |
2010
|
Invention
|
Suspended access chair with rescue system. A suspended access chair with a rescue system that may... |
|
P/S
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Hoists |
|
Invention
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Hoist system with high system power factor. A suspension work platform hoist system having reduce... |
|
Invention
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Self-erecting suspension platform system. A self-erecting suspension platform system having a wor... |
|
Invention
|
Bosun's chair |
2009
|
Invention
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Powered controlled acceleration suspension work platform hoist system. A powered controlled accel... |
|
Invention
|
Mast section |
2008
|
Invention
|
Hoist |
|
P/S
|
Hoists. |
|
Invention
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Powered controlled acceleration suspension work platform hoist control cooling system. The hoist ... |
2006
|
Invention
|
A self-erecting suspension platform system. One embodiment relates to a self-erecting suspension ... |
2005
|
Invention
|
Self-erecting suspension platform system.
A self-erecting suspension platform system having a wo... |
1996
|
P/S
|
Winding spools for wires and cables not included in other classes; pliers for cables. Machines no... |
1985
|
P/S
|
HOISTS |
1960
|
P/S
|
Lifts, hoists, cranes, elevating equipment. |