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MCQUAY-PERFEX INC.

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  • MINNEAPOLIS, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Screw conveyer with removable flighting
    • Patent number 4,429,782
    • Issue date Feb 7, 1984
    • McQuay-Perfex Inc.
    • Gerald R. Pierson
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Variable dead band pressure control system
    • Patent number 4,392,417
    • Issue date Jul 12, 1983
    • McQuay-Perfex Inc.
    • James R. Johannsen
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Method and apparatus for surge detection and control in centrifugal...
    • Patent number 4,363,596
    • Issue date Dec 14, 1982
    • McQuay-Perfex, Inc.
    • Thomas E. Watson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Refrigeration defrost control
    • Patent number 4,356,703
    • Issue date Nov 2, 1982
    • McQuay-Perfex Inc.
    • Kenneth E. Vogel
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Airflow limiter and measurement device
    • Patent number 4,334,648
    • Issue date Jun 15, 1982
    • McQuay-Perfex Inc.
    • Randy L. Buth
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Variable dead band pressure control system
    • Patent number 4,257,318
    • Issue date Mar 24, 1981
    • McQuay-Perfex Inc.
    • James R. Johannsen
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Key-operated actuator
    • Patent number 4,248,335
    • Issue date Feb 3, 1981
    • McQuay-Perfex Inc.
    • Richard T. Cornelius
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Head pressure control for heat reclaim refrigeration systems
    • Patent number 4,193,781
    • Issue date Mar 18, 1980
    • McQuay-Perfex Inc.
    • Kenneth E. Vogel
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Beverage dispenser
    • Patent number 4,171,069
    • Issue date Oct 16, 1979
    • McQuay-Perfex Inc.
    • Richard T. Cornelius
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    Refrigeration system subcooling control
    • Patent number 4,136,528
    • Issue date Jan 30, 1979
    • McQuay-Perfex Inc.
    • Kenneth E. Vogel
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Beverage cooling bath
    • Patent number 4,124,994
    • Issue date Nov 14, 1978
    • McQuay-Perfex Inc.
    • Richard T. Cornelius
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Electric defrost heater for fin and tube refrigeration heat exchanger
    • Patent number 4,091,637
    • Issue date May 30, 1978
    • McQuay-Perfex, Inc.
    • Kenneth E. Vogel
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Diaphragm reversing valve
    • Patent number 4,037,622
    • Issue date Jul 26, 1977
    • McQuay-Perfex Inc.
    • Gene W. Osheroff
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    73423416
    • Serial number 73423416
    • Registration number 1285158
    • Filing date Apr 27, 1983
    • McQuay-Perfex Inc.
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
  • Information Trademark

    73407200 - MS-85
    • Serial number 73407200
    • Registration number 1313213
    • Filing date Dec 27, 1982
    • McQuay-Perfex Inc.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73355540 - CRYSTAL TIPS
    • Serial number 73355540
    • Registration number 1231788
    • Filing date Mar 19, 1982
    • McQuay-Perfex, Inc.
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
  • Information Trademark

    73244040 - SUPERPAK
    • Serial number 73244040
    • Registration number 1174068
    • Filing date Dec 26, 1979
    • McQuay-Perfex, Inc.
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
  • Information Trademark

    73239919 - VANETROL
    • Serial number 73239919
    • Registration number 1153782
    • Filing date Nov 20, 1979
    • McQuay-Perfex, Inc.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73158448 - ENERTECH 80
    • Serial number 73158448
    • Registration number 1195544
    • Filing date Feb 13, 1978
    • McQuay-Perfex Inc.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73125154 - SEASONMISER
    • Serial number 73125154
    • Registration number 1090793
    • Filing date May 2, 1977
    • MCQUAY-PERFEX INC.
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
  • Information Trademark

    73086274
    • Serial number 73086274
    • Registration number 1059854
    • Filing date May 6, 1976
    • MCQUAY-PERFEX INC.
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
  • Information Trademark

    73075511 - FLUIDTECH
    • Serial number 73075511
    • Registration number 1066640
    • Filing date Jan 28, 1976
    • MCQUAY-PERFEX INC.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73061245 - KOIL-KOTE
    • Serial number 73061245
    • Registration number 1050584
    • Filing date Aug 25, 1975
    • MCQUAY-PERFEX INC.
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
  • Information Trademark

    73005087 - PERFEX X CHANGER
    • Serial number 73005087
    • Registration number 1024149
    • Filing date Oct 31, 1973
    • MCQUAY-PERFEX INC.
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
  • Information Trademark

    73005086 - PERFEX
    • Serial number 73005086
    • Registration number 1015214
    • Filing date Oct 31, 1973
    • MCQUAY-PERFEX INC.
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
  • Information Trademark

    73000398 - COOL IT!
    • Serial number 73000398
    • Registration number 1026541
    • Filing date Sep 7, 1973
    • MCQUAY-PERFEX, INC.
    • 7 - Machines and machine tools
  • Information Trademark

    72459587 - LOOK TO THE LEADER
    • Serial number 72459587
    • Registration number 1005573
    • Filing date Jun 7, 1973
    • MCQUAY-PERFEX INC.
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
  • Information Trademark

    72448059 - DAMPERTROL
    • Serial number 72448059
    • Registration number 995836
    • Filing date Feb 7, 1973
    • MCQUAY-PERFEX INC.
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes