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Air injection device for hydraulic turbine
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Patent number 11,781,519
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Issue date Oct 10, 2023
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ANDRITZ HYDRO CANADA INC.
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Sven von Fellenberg
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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Aeration cone for hydraulic turbine
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Patent number 11,648,517
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Issue date May 16, 2023
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ANDRITZ HYDRO CANADA INC.
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Bernd Nennemann
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Variable guide bearing
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Patent number 10,961,977
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Issue date Mar 30, 2021
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ANDRITZ HYDRO CANADA INC.
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Sarmad Elahi
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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86877051 - 0-100% FRANCIS
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Serial number 86877051
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Registration number 6119151
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Filing date Jan 15, 2016
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Andritz Hydro Canada Inc.
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7 - Machines and machine tools