Elevator apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11618649
APP PUB NO 20200299101A1
SERIAL NO

16776643

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The invention relates to an elevator apparatus, comprising: a shaft, an elevator car vertically movable in the shaft, one or more ropes connected with the car, and a controller for controlling movement of the car. In order to detect sway in one or more elevator ropes connected with the car, the apparatus comprises at least one sensor unit arranged in the elevator shaft to detect sway and to produce a control signal indicating to the controller the detected sway. The controller compares the detected sway to a predetermined limit and prevents movement of the elevator car when sway reaches the predetermined limit.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
KONE CORPORATION00330 HELSINKI

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Puranen, Mikko Helsinki, FI 35 184
Zakrzewski, Mari Helsinki, FI 8 4

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Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Oct 4, 2026
7.5 Year Payment $3600.00 $1800.00 $900.00 Oct 4, 2030
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Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00