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Drain trap
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Patent number 7,976,701
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Issue date Jul 12, 2011
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Kondoh-FRP Co., Ltd.
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Shingo Nishimoto
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E03 - WATER SUPPLY SEWERAGE
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Drain trap
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Patent number 7,823,601
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Issue date Nov 2, 2010
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Kondoh-FRP Co., Ltd.
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Shingo Nishimoto
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Sewerage inlet
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Patent number 6,192,915
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Issue date Feb 27, 2001
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Antonius Valperz
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E03 - WATER SUPPLY SEWERAGE
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Drainage canal
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Patent number 4,726,392
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Issue date Feb 23, 1988
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Brown, Boveri & Cie AG
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Gerhard Schwarz
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H01 - BASIC ELECTRIC ELEMENTS
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Liquid pumping system
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Patent number 4,614,480
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Issue date Sep 30, 1986
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John C. Hardison
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E03 - WATER SUPPLY SEWERAGE
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3105516
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Patent number 3,105,516
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Issue date Oct 1, 1963
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2317278
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Patent number 2,317,278
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Issue date Apr 20, 1943
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E03 - WATER SUPPLY SEWERAGE
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1946339
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Patent number 1,946,339
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Issue date Feb 6, 1934
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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1756976
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Patent number 1,756,976
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Issue date May 6, 1930
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1700636
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Patent number 1,700,636
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Issue date Jan 29, 1929
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E03 - WATER SUPPLY SEWERAGE
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1488597
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Patent number 1,488,597
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Issue date Apr 1, 1924
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E03 - WATER SUPPLY SEWERAGE
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1363732
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Patent number 1,363,732
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Issue date Dec 28, 1920
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1356530
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Patent number 1,356,530
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Issue date Oct 26, 1920
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E03 - WATER SUPPLY SEWERAGE
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1093601
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Patent number 1,093,601
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Issue date Apr 21, 1914
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E03 - WATER SUPPLY SEWERAGE
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1084255
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Patent number 1,084,255
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Issue date Jan 13, 1914
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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913338
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Patent number 913,338
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Issue date Feb 23, 1909
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E03 - WATER SUPPLY SEWERAGE
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902030
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Patent number 902,030
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Issue date Oct 27, 1908
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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891580
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Patent number 891,580
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Issue date Jun 23, 1908
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E03 - WATER SUPPLY SEWERAGE
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799874
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Patent number 799,874
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Issue date Sep 19, 1905
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E03 - WATER SUPPLY SEWERAGE
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777420
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Patent number 777,420
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Issue date Dec 13, 1904
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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757169
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Patent number 757,169
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Issue date Apr 12, 1904
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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741815
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Patent number 741,815
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Issue date Oct 20, 1903
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E03 - WATER SUPPLY SEWERAGE
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635383
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Patent number 635,383
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Issue date Oct 24, 1899
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E03 - WATER SUPPLY SEWERAGE
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618284
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Patent number 618,284
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Issue date Jan 24, 1899
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E03 - WATER SUPPLY SEWERAGE
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600732
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Patent number 600,732
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Issue date Mar 15, 1898
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E03 - WATER SUPPLY SEWERAGE
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510503
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Patent number 510,503
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Issue date Dec 12, 1893
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E03 - WATER SUPPLY SEWERAGE