Materials used to prevent corrosion in refrigeration system

Patents Grantslast 30 patents

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    Method for removal of acid from compressor oil

    • Patent number 5,770,048
    • Issue date Jun 23, 1998
    • Mainstream Engineering Corporation
    • Robert Peter Scaringe
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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    Heat exchanging apparatus and a method of preventing corrosion

    • Patent number 5,377,494
    • Issue date Jan 3, 1995
    • Sharp Kabushiki Kaisha
    • Shinya Takagi
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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    Corrosion inhibition of ammonia-water absorption chillers

    • Patent number 5,342,578
    • Issue date Aug 30, 1994
    • Gas Research Institute
    • Arun K. Agrawal
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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    Hermetically closed circulation type, vapor absorption refrigerator

    • Patent number 4,912,934
    • Issue date Apr 3, 1990
    • Hitachi, Ltd.
    • Masahiko Itoh
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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    Acrylate/silicate corrosion inhibitor

    • Patent number 4,404,114
    • Issue date Sep 13, 1983
    • Union Carbide Corporation
    • Paul H. Mohr
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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    High lead solder corrosion inhibitors

    • Patent number 4,402,847
    • Issue date Sep 6, 1983
    • BASF Wyandotte Corporation
    • Joe C. Wilson
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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    Aluminum-corrosion inhibitive heat transfer fluid

    • Patent number 4,392,972
    • Issue date Jul 12, 1983
    • Union Carbide Corporation
    • Paul H. Mohr
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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    Corrosion inhibitors for absorption refrigeration systems

    • Patent number 4,019,992
    • Issue date Apr 26, 1977
    • Borg-Warner Corporation
    • Robert Harold Krueger
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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    3609086

    • Patent number 3,609,086
    • Issue date Sep 28, 1971
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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    3101277

    • Patent number 3,101,277
    • Issue date Aug 20, 1963
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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    3087779

    • Patent number 3,087,779
    • Issue date Apr 30, 1963
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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    3065609

    • Patent number 3,065,609
    • Issue date Nov 27, 1962
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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    3004919

    • Patent number 3,004,919
    • Issue date Oct 17, 1961
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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    2908592

    • Patent number 2,908,592
    • Issue date Oct 13, 1959
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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    2900222

    • Patent number 2,900,222
    • Issue date Aug 18, 1959
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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    2867550

    • Patent number 2,867,550
    • Issue date Jan 6, 1959
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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    2864731

    • Patent number 2,864,731
    • Issue date Dec 16, 1958
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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    2825683

    • Patent number 2,825,683
    • Issue date Mar 4, 1958
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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    2755170

    • Patent number 2,755,170
    • Issue date Jul 17, 1956
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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    2736672

    • Patent number 2,736,672
    • Issue date Feb 28, 1956
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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    2643178

    • Patent number 2,643,178
    • Issue date Jun 23, 1953
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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    2634223

    • Patent number 2,634,223
    • Issue date Apr 7, 1953
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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    2580983

    • Patent number 2,580,983
    • Issue date Jan 1, 1952
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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    2476345

    • Patent number 2,476,345
    • Issue date Jul 19, 1949
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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    2459334

    • Patent number 2,459,334
    • Issue date Jan 18, 1949
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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    2455457

    • Patent number 2,455,457
    • Issue date Dec 7, 1948
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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    2396730

    • Patent number 2,396,730
    • Issue date Mar 19, 1946
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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    2314104

    • Patent number 2,314,104
    • Issue date Mar 16, 1943
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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    2120737

    • Patent number 2,120,737
    • Issue date Jun 14, 1938
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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    1796123

    • Patent number 1,796,123
    • Issue date Mar 10, 1931
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents