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Traction sheave
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Patent number 4,784,372
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Issue date Nov 15, 1988
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Elevator GmbH
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Johannes de Jong
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B66 - HOISTING LIFTING HAULING
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Electric motor
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Patent number 4,689,512
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Issue date Aug 25, 1987
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Elevator GmbH
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Ismo Kuivamaki
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B66 - HOISTING LIFTING HAULING
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Elevator motor control
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Patent number 4,672,277
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Issue date Jun 9, 1987
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Elevator GmbH
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Heimo Makinen
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B66 - HOISTING LIFTING HAULING
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Way of placing chokes with air core
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Patent number 4,663,700
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Issue date May 5, 1987
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Elevator GmbH
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Matti J. Kahkipuro
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Dual rails for roller pallets
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Patent number 4,640,459
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Issue date Feb 3, 1987
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Elevator GmbH
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Kalevi Hetemaa
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Theatrical stage
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Patent number 4,638,610
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Issue date Jan 27, 1987
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Elevator GmbH
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Urho Heikkinen
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B66 - HOISTING LIFTING HAULING
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Floor selector for lift
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Patent number 4,635,320
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Issue date Jan 13, 1987
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Elevator GmbH
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Matti Kahkipuro
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B66 - HOISTING LIFTING HAULING
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Pick-up means for roller pallets
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Patent number 4,543,026
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Issue date Sep 24, 1985
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Elevator GmbH
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Heino Halonen
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Thyristor converter drive
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Patent number 4,466,053
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Issue date Aug 14, 1984
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Elevator GmbH
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Risto Kontturi
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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