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Elevator safety system incorporating false pit

Elevator – industrial lift truck – or stationary lift for vehicle – Having specific means contacting or on load support for... – Stationarily mounted and having disparate movable contact...
Patent

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Elevator safety system incorporating false pit

Elevator – industrial lift truck – or stationary lift for vehicle – Having specific load support drive-means or its control – Includes control for power source of drive-means
Patent

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Elevator safety systems including detection of an object in...

Elevator – industrial lift truck – or stationary lift for vehicle – With monitoring – signalling – and indicating means – Monitors passengers
Reexamination Certificate

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Elevator self-diagnostic control system

Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent

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Elevator service for dual lobby during up-peak

Elevator – industrial lift truck – or stationary lift for vehicle – With call registration means – Shared by plural load supports
Patent

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Elevator service information apparatus

Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent

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Elevator servicing methods and apparatus

Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent

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Elevator shaft closure and method of fulfilling fire...

Elevator – industrial lift truck – or stationary lift for vehicle – With closure means for shaft opening through landing
Reexamination Certificate

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Elevator shaft door

Elevator – industrial lift truck – or stationary lift for vehicle – With barrier for regulating access to load support – Including barrier mounted at landing
Reexamination Certificate

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Elevator shaftway intrusion device

Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent

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Elevator shaftway intrusion device

Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent

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Elevator shaftway intrusion device using optical imaging process

Elevator – industrial lift truck – or stationary lift for vehicle – With monitoring – signalling – and indicating means – Monitors passengers
Patent

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Elevator sheave brake safety

Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent

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Elevator shuttle employing horizontally transferred cab

Elevator – industrial lift truck – or stationary lift for vehicle – Having independent supports carrying distinct loads and...
Patent

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Elevator shuttle with auxiliary elevators at terminals

Elevator – industrial lift truck – or stationary lift for vehicle – Having independent supports carrying distinct loads and...
Patent

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Elevator speed check using constant ratiometric comparison

Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent

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Elevator speed control

Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent

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Elevator speed control apparatus

Elevator – industrial lift truck – or stationary lift for vehicle – Having specific load support drive-means or its control – Includes control for power source of drive-means
Patent

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Elevator speed control apparatus

Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent

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Elevator speed control apparatus with drive motor residual secon

Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent

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