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Metering pump
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Patent number 5,154,589
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Issue date Oct 13, 1992
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National Instrument Company
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Mark A. Ruhl
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Mixing valve apparatus
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Patent number 4,711,392
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Issue date Dec 8, 1987
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Matsushita Electric Industrial Co., Ltd.
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Yasuo Kidouchi
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G05 - CONTROLLING REGULATING
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Solenoid operated valve
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Patent number 4,240,468
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Issue date Dec 23, 1980
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Hauni-Werke Korber & Co. KG
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Peter Brand
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3741237
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Patent number 3,741,237
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Issue date Jun 26, 1973
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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3714957
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Patent number 3,714,957
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Issue date Feb 6, 1973
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E21 - EARTH DRILLING MINING
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3672575
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Patent number 3,672,575
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Issue date Jun 27, 1972
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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3513485
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Patent number 3,513,485
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Issue date May 26, 1970
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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3326233
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Patent number 3,326,233
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Issue date Jun 20, 1967
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3208715
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Patent number 3,208,715
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Issue date Sep 28, 1965
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E03 - WATER SUPPLY SEWERAGE
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3172421
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Patent number 3,172,421
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Issue date Mar 9, 1965
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G05 - CONTROLLING REGULATING
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3157191
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Patent number 3,157,191
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Issue date Nov 17, 1964
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3143582
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Patent number 3,143,582
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Issue date Aug 4, 1964
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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3109444
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Patent number 3,109,444
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Issue date Nov 5, 1963
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3070113
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Patent number 3,070,113
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Issue date Dec 25, 1962
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G05 - CONTROLLING REGULATING
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3051191
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Patent number 3,051,191
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Issue date Aug 28, 1962
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3006359
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Patent number 3,006,359
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Issue date Oct 31, 1961
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E03 - WATER SUPPLY SEWERAGE
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2971522
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Patent number 2,971,522
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Issue date Feb 14, 1961
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G05 - CONTROLLING REGULATING
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2949127
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Patent number 2,949,127
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Issue date Aug 16, 1960
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2932312
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Patent number 2,932,312
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Issue date Apr 12, 1960
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2920643
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Patent number 2,920,643
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Issue date Jan 12, 1960
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G05 - CONTROLLING REGULATING
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2918078
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Patent number 2,918,078
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Issue date Dec 22, 1959
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2841168
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Patent number 2,841,168
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Issue date Jul 1, 1958
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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2832369
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Patent number 2,832,369
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Issue date Apr 29, 1958
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2807277
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Patent number 2,807,277
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Issue date Sep 24, 1957
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2791229
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Patent number 2,791,229
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Issue date May 7, 1957
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...