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Sewer system vent monitor
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Patent number 7,591,278
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Issue date Sep 22, 2009
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David Kozlowski
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Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Passive pressure activation valve
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Patent number 7,543,601
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Issue date Jun 9, 2009
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Continental Automotive Canada, Inc.
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Gilles Delaire
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Passive pressure activation valve
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Patent number 7,490,624
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Issue date Feb 17, 2009
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Continental Automotive Canada, Inc.
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Gilles Delaire
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Flexible, resilient anti-contamination baffle
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Patent number 4,449,242
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Issue date May 15, 1984
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The United States of America as represented by the Secretary of the Air Force
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James G. Sliney
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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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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Pressure vacuum breaker
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Patent number 4,222,405
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Issue date Sep 16, 1980
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Rosenblad Corporation
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Axel E. Rosenblad
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Hydraulic vent valve
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Patent number 4,067,351
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Issue date Jan 10, 1978
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Ethyl Corporation
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Lynn R. Causey
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3877488
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Patent number 3,877,488
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Issue date Apr 15, 1975
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3831619
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Patent number 3,831,619
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Issue date Aug 27, 1974
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G05 - CONTROLLING REGULATING
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3802165
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Patent number 3,802,165
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Issue date Apr 9, 1974
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3606985
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Patent number 3,606,985
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Issue date Sep 21, 1971
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
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3595260
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Patent number 3,595,260
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Issue date Jul 27, 1971
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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3398026
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Patent number 3,398,026
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Issue date Aug 20, 1968
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H01 - BASIC ELECTRIC ELEMENTS
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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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3302864
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Patent number 3,302,864
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Issue date Feb 7, 1967
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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3279178
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Patent number 3,279,178
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Issue date Oct 18, 1966
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3126906
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Patent number 3,126,906
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Issue date Mar 31, 1964
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C21 - METALLURGY OF IRON
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2834360
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Patent number 2,834,360
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Issue date May 13, 1958
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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2827071
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Patent number 2,827,071
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Issue date Mar 18, 1958
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2811980
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Patent number 2,811,980
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Issue date Nov 5, 1957
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2670749
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Patent number 2,670,749
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Issue date Mar 2, 1954
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2651434
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Patent number 2,651,434
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Issue date Sep 8, 1953
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2648169
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Patent number 2,648,169
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Issue date Aug 11, 1953
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G05 - CONTROLLING REGULATING