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Icebreaker
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Patent number 11,167,825
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Issue date Nov 9, 2021
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BIFROST TUG AS
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Steinar Andersen
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Aquatic jet propulsion device
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Patent number 10,300,998
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Issue date May 28, 2019
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Yamaha Hatsudoki Kabushiki Kaisha
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Kohei Terada
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Icebreaking vessel
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Patent number 9,056,658
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Issue date Jun 16, 2015
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MAERSK SUPPLY SERVICE A/S
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Niels Peter Elmbo
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Automatic ice-vaning ship
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Patent number 8,398,445
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Issue date Mar 19, 2013
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Exxonmobil Upstream Research Company
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Theodore Kokkinis
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Watercraft
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Patent number 5,179,906
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Issue date Jan 19, 1993
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Hans H. Kattwinkel
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Ship
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Patent number 4,506,617
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Issue date Mar 26, 1985
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Thyssen Nordseewerke GmbH
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Heinrich Waas
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Ice-breaking hull
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Patent number 4,436,046
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Issue date Mar 13, 1984
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William W. Braley
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Ice disaggregation system
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Patent number 4,365,571
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Issue date Dec 28, 1982
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Suncor Inc.
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George W. Morgan
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Ice-breaking ship
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Patent number 4,351,255
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Issue date Sep 28, 1982
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Oy Wartsila AB
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Bengt Johansson
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Icebreaking apparatus
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Patent number 4,208,977
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Issue date Jun 24, 1980
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Exxon Production Research Company
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Hans O. Jahns
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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