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Elevator system
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Patent number 12,091,284
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Issue date Sep 17, 2024
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Inventio AG
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Christoph Liebetrau
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B66 - HOISTING LIFTING HAULING
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Elevator car leveling sensor
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Patent number 12,060,247
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Issue date Aug 13, 2024
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Otis Elevator Company
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Derk Oscar Pahlke
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B66 - HOISTING LIFTING HAULING
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Escalator handrail washing device
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Patent number 12,024,401
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Issue date Jul 2, 2024
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SWIT CO., LTD.
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Kyeong Ho Park
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Monitoring system
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Patent number 11,795,032
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Issue date Oct 24, 2023
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Otis Elevator Company
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Derk Oscar Pahlke
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B66 - HOISTING LIFTING HAULING
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