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Core manufacturing apparatus
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Patent number 11,084,088
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Issue date Aug 10, 2021
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Toyota Jidosha Kabushiki Kaisha
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Naoya Kajita
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B22 - CASTING POWDER METALLURGY
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Method of reusing core sand
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Patent number 10,967,421
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Issue date Apr 6, 2021
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Toyota Jidosha Kabushiki Kaisha
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Daisuke Yamashita
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B22 - CASTING POWDER METALLURGY
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Method of reusing core sand
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Patent number 10,668,525
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Issue date Jun 2, 2020
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Toyota Jidosha Kabushiki Kaisha
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Daisuke Yamashita
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B22 - CASTING POWDER METALLURGY
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Mixer having rotating mixing container
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Patent number 9,694,331
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Issue date Jul 4, 2017
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Maschinenfabrik Gustav Eirich GmbH & Co. KG
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Andreas Seiler
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Drum mixer
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Patent number 4,113,238
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Issue date Sep 12, 1978
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Georg Fischer Aktiengesellschaft
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Franz Hofmann
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B22 - CASTING POWDER METALLURGY
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3838847
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Patent number 3,838,847
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Issue date Oct 1, 1974
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B22 - CASTING POWDER METALLURGY
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3690622
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Patent number 3,690,622
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Issue date Sep 12, 1972
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B28 - WORKING CEMENT, CLAY, OR STONE
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3674241
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Patent number 3,674,241
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Issue date Jul 4, 1972
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B22 - CASTING POWDER METALLURGY
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3414239
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Patent number 3,414,239
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Issue date Dec 3, 1968
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B28 - WORKING CEMENT, CLAY, OR STONE
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3387829
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Patent number 3,387,829
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Issue date Jun 11, 1968
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B22 - CASTING POWDER METALLURGY
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3379419
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Patent number 3,379,419
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Issue date Apr 23, 1968
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B28 - WORKING CEMENT, CLAY, OR STONE
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3357648
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Patent number 3,357,648
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Issue date Dec 12, 1967
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B22 - CASTING POWDER METALLURGY
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3277540
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Patent number 3,277,540
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Issue date Oct 11, 1966
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B22 - CASTING POWDER METALLURGY
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2826794
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Patent number 2,826,794
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Issue date Mar 18, 1958
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B28 - WORKING CEMENT, CLAY, OR STONE
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2556486
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Patent number 2,556,486
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Issue date Jun 12, 1951
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B22 - CASTING POWDER METALLURGY
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1948328
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Patent number 1,948,328
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Issue date Feb 20, 1934
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B22 - CASTING POWDER METALLURGY
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1862436
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Patent number 1,862,436
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Issue date Jun 7, 1932
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B22 - CASTING POWDER METALLURGY
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1845193
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Patent number 1,845,193
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Issue date Feb 16, 1932
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B22 - CASTING POWDER METALLURGY
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1729361
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Patent number 1,729,361
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Issue date Sep 24, 1929
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B22 - CASTING POWDER METALLURGY
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1706417
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Patent number 1,706,417
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Issue date Mar 26, 1929
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B22 - CASTING POWDER METALLURGY