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2023
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Invention
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Telescopic linear operator. A linear operator for a sliding door includes a body; a first wheel r... |
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P/S
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Elevator systems and components therefor, namely, elevator door operators; elevator door operator... |
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Invention
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Elevator door roller and track replacement. A method for replacing parts of an elevator door asse... |
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2022
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Invention
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Elevator car door control system. An elevator car door control system includes a clutch and an in... |
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2020
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Invention
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Elevator door roller and track replacement. An elevator door subsystem including a hanger mount, ... |
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2018
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Invention
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Door detection system and method. In an embodiment, a door detection system may include a transmi... |
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Invention
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Elevator emergency brake with shoes. In one embodiment, a braking apparatus includes a pair of br... |
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Invention
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Elevator emergency brake with shoes. A braking apparatus (100) includes a pair of brake shoes (12... |
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2017
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Invention
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Method and system for elevator door locking and detection of elevator door locking state. The dis... |
