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Drain valve
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Patent number 4,880,029
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Issue date Nov 14, 1989
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Auto-Valve, Inc.
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Floyd G. Koller
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Coupling arrangement
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Patent number 4,848,728
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Issue date Jul 18, 1989
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Kjell R. Ekman
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Drain valve
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Patent number 4,351,355
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Issue date Sep 28, 1982
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Auto-Valve, Inc.
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Floyd G. Koller
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3877480
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Patent number 3,877,480
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Issue date Apr 15, 1975
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B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
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3744751
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Patent number 3,744,751
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Issue date Jul 10, 1973
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3703189
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Patent number 3,703,189
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Issue date Nov 21, 1972
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3698420
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Patent number 3,698,420
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Issue date Oct 17, 1972
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3683954
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Patent number 3,683,954
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Issue date Aug 15, 1972
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3643917
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Patent number 3,643,917
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Issue date Feb 22, 1972
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3640305
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Patent number 3,640,305
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Issue date Feb 8, 1972
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E03 - WATER SUPPLY SEWERAGE
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3605793
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Patent number 3,605,793
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Issue date Sep 20, 1971
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3542063
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Patent number 3,542,063
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Issue date Nov 24, 1970
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3480037
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Patent number 3,480,037
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Issue date Nov 25, 1969
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E21 - EARTH DRILLING MINING
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3430644
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Patent number 3,430,644
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Issue date Mar 4, 1969
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B22 - CASTING POWDER METALLURGY
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3336949
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Patent number 3,336,949
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Issue date Aug 22, 1967
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3290001
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Patent number 3,290,001
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3077896
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Patent number 3,077,896
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2983385
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Patent number 2,983,385
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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2879786
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Patent number 2,879,786
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2670173
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Patent number 2,670,173
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2664672
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Patent number 2,664,672
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G05 - CONTROLLING REGULATING
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1952726
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Patent number 1,952,726
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Issue date Mar 27, 1934
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1888359
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Patent number 1,888,359
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Issue date Nov 22, 1932
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E03 - WATER SUPPLY SEWERAGE
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1863252
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Patent number 1,863,252
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Issue date Jun 14, 1932
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1836343
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Patent number 1,836,343
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1827377
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Patent number 1,827,377
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1691758
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Patent number 1,691,758
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Issue date Nov 13, 1928
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G05 - CONTROLLING REGULATING
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1667999
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Patent number 1,667,999
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1609340
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Patent number 1,609,340
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Issue date Dec 7, 1926
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...