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Capillary flow control
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Patent number 4,676,274
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Issue date Jun 30, 1987
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James F. Brown
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Liquid seal valve
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Patent number 4,411,286
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Issue date Oct 25, 1983
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Peabody Holmes Limited
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Gerald G. Ball
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3778799
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Patent number 3,778,799
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Issue date Dec 11, 1973
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H01 - BASIC ELECTRIC ELEMENTS
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3599661
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Patent number 3,599,661
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Issue date Aug 17, 1971
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F24 - HEATING RANGES VENTILATING
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3489168
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Patent number 3,489,168
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Issue date Jan 13, 1970
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3327728
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Patent number 3,327,728
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Issue date Jun 27, 1967
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G05 - CONTROLLING REGULATING
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3124937
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Patent number 3,124,937
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Issue date Mar 17, 1964
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
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2712399
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Patent number 2,712,399
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Issue date Jul 5, 1955
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H01 - BASIC ELECTRIC ELEMENTS
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2636507
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Patent number 2,636,507
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Issue date Apr 28, 1953
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2636655
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Patent number 2,636,655
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Issue date Apr 28, 1953
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H01 - BASIC ELECTRIC ELEMENTS
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2565616
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Patent number 2,565,616
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Issue date Aug 28, 1951
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G05 - CONTROLLING REGULATING
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2221564
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Patent number 2,221,564
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Issue date Nov 12, 1940
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2146249
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Patent number 2,146,249
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Issue date Feb 7, 1939
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1987883
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Patent number 1,987,883
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Issue date Jan 15, 1935
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G05 - CONTROLLING REGULATING
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1982474
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Patent number 1,982,474
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Issue date Nov 27, 1934
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G05 - CONTROLLING REGULATING
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1949885
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Patent number 1,949,885
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Issue date Mar 6, 1934
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G05 - CONTROLLING REGULATING
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1794191
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Patent number 1,794,191
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Issue date Feb 24, 1931
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1772476
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Patent number 1,772,476
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Issue date Aug 12, 1930
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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1723567
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Patent number 1,723,567
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Issue date Aug 6, 1929
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1682550
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Patent number 1,682,550
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Issue date Aug 28, 1928
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F24 - HEATING RANGES VENTILATING
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1576086
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Patent number 1,576,086
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Issue date Mar 9, 1926
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F24 - HEATING RANGES VENTILATING
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1535440
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Patent number 1,535,440
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Issue date Apr 28, 1925
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F22 - STEAM GENERATION
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1479374
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Patent number 1,479,374
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Issue date Jan 1, 1924
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1439602
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Patent number 1,439,602
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Issue date Dec 19, 1922
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1358692
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Patent number 1,358,692
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Issue date Nov 16, 1920
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
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1248143
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Patent number 1,248,143
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Issue date Nov 27, 1917
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...