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Cleaner for inside of water tank
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Patent number 8,733,385
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Issue date May 27, 2014
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Soichi Ogawa
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Vacuum activated power tower
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Patent number 8,544,492
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Issue date Oct 1, 2013
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Alden C. Sprague
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Vacuum activated closed loop system
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Patent number 8,066,027
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Issue date Nov 29, 2011
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Alden C. Sprague
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Hydraulic vacuum pump
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Patent number 5,970,999
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Issue date Oct 26, 1999
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Greenia; Maurice J.
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Maurice J. Greenia
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Toy motion simulator
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Patent number 5,533,935
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Issue date Jul 9, 1996
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Howard B. Kast
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Roof siphon drain
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Patent number 4,406,300
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Issue date Sep 27, 1983
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Edwin H. Wilson
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Self priming siphon
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Patent number 4,124,035
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Issue date Nov 7, 1978
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John H. Rice
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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3701458
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Patent number 3,701,458
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Issue date Oct 31, 1972
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3079939
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Patent number 3,079,939
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Issue date Mar 5, 1963
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2713829
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Patent number 2,713,829
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Issue date Jul 26, 1955
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2613681
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Patent number 2,613,681
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Issue date Oct 14, 1952
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G01 - MEASURING TESTING
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2184025
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Patent number 2,184,025
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Issue date Dec 19, 1939
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2081539
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Patent number 2,081,539
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Issue date May 25, 1937
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E03 - WATER SUPPLY SEWERAGE
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2068363
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Patent number 2,068,363
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Issue date Jan 19, 1937
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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1929638
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Patent number 1,929,638
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Issue date Oct 10, 1933
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E03 - WATER SUPPLY SEWERAGE
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1755218
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Patent number 1,755,218
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Issue date Apr 22, 1930
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E03 - WATER SUPPLY SEWERAGE
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1752620
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Patent number 1,752,620
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Issue date Apr 1, 1930
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G01 - MEASURING TESTING
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1661699
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Patent number 1,661,699
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Issue date Mar 6, 1928
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D03 - WEAVING
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1579158
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Patent number 1,579,158
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Issue date Mar 30, 1926
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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1499568
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Patent number 1,499,568
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Issue date Jul 1, 1924
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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1421531
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Patent number 1,421,531
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Issue date Jul 4, 1922
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E03 - WATER SUPPLY SEWERAGE
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1274578
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Patent number 1,274,578
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Issue date Aug 6, 1918
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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1163494
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Patent number 1,163,494
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Issue date Dec 7, 1915
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...