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Pump device
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Patent number 8,147,217
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Issue date Apr 3, 2012
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Siemens Aktiengesellschaft
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Jörg Lengert
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E03 - WATER SUPPLY SEWERAGE
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Water supply system
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Patent number 7,118,357
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Issue date Oct 10, 2006
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Dwight Eugene Hanson
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Water supply system
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Patent number 6,592,342
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Issue date Jul 15, 2003
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Dwight Eugene Hanson
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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3875698
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Patent number 3,875,698
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Issue date Apr 8, 1975
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E03 - WATER SUPPLY SEWERAGE
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3865513
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Patent number 3,865,513
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Issue date Feb 11, 1975
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E03 - WATER SUPPLY SEWERAGE
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3739810
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Patent number 3,739,810
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Issue date Jun 19, 1973
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G05 - CONTROLLING REGULATING
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3342136
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Patent number 3,342,136
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Issue date Sep 19, 1967
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E03 - WATER SUPPLY SEWERAGE
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3060954
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Patent number 3,060,954
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Issue date Oct 30, 1962
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G05 - CONTROLLING REGULATING
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3044402
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Patent number 3,044,402
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Issue date Jul 17, 1962
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E03 - WATER SUPPLY SEWERAGE
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3039532
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Patent number 3,039,532
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Issue date Jun 19, 1962
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E03 - WATER SUPPLY SEWERAGE
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3035522
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Patent number 3,035,522
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Issue date May 22, 1962
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E03 - WATER SUPPLY SEWERAGE
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2973773
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Patent number 2,973,773
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Issue date Mar 7, 1961
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E03 - WATER SUPPLY SEWERAGE
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2956511
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Patent number 2,956,511
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Issue date Oct 18, 1960
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E03 - WATER SUPPLY SEWERAGE
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2352832
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Patent number 2,352,832
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Issue date Jul 4, 1944
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E03 - WATER SUPPLY SEWERAGE
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1814454
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Patent number 1,814,454
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Issue date Jul 14, 1931
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E03 - WATER SUPPLY SEWERAGE
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131500
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Patent number 131,500
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Issue date Sep 24, 1872
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E03 - WATER SUPPLY SEWERAGE