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Stephen A. Kujak

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  • Onalaska, WI, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    REFRIGERANT MANAGEMENT IN HVAC SYSTEMS
    • Publication number 20250085035
    • Publication date Mar 13, 2025
    • TRANE INTERNATIONAL INC.
    • Jon Phillip Hartfield
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    LOW GWP REFRIGERANT COMPOSITIONS
    • Publication number 20250026973
    • Publication date Jan 23, 2025
    • THERMO KING LLC
    • Michael PETERSEN
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    LOW GWP REFRIGERANT COMPOSITIONS
    • Publication number 20250026974
    • Publication date Jan 23, 2025
    • TRANE INTERNATIONAL INC.
    • Michael PETERSEN
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    REFRIGERANT RECOVERY AND REPURPOSING
    • Publication number 20240288206
    • Publication date Aug 29, 2024
    • TRANE INTERNATIONAL INC.
    • Dermott Crombie
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    LOWER GWP REFRIGERANT COMPOSITIONS
    • Publication number 20240084181
    • Publication date Mar 14, 2024
    • TRANE INTERNATIONAL INC.
    • Michael Petersen
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    SYSTEMS AND METHODS FOR GRID APPLIANCES
    • Publication number 20230394601
    • Publication date Dec 7, 2023
    • TRANE INTERNATIONAL INC.
    • Michael Sean Day
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    LOWER GWP REFRIGERANT COMPOSITIONS
    • Publication number 20220127508
    • Publication date Apr 28, 2022
    • TRANE INTERNATIONAL INC.
    • Kenneth J. SCHULTZ
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    RETROFITTING R410A HVAC PRODUCTS TO HANDLE FLAMMABLE REFRIGERANTS
    • Publication number 20220049884
    • Publication date Feb 17, 2022
    • TRANE INTERNATIONAL INC.
    • William G. Hansen
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    REFRIGERANT RECOVERY AND REPURPOSING
    • Publication number 20220049882
    • Publication date Feb 17, 2022
    • TRANE INTERNATIONAL INC.
    • Dermott Crombie
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    PHOBIC/PHILIC STRUCTURES IN REFRIGERATION SYSTEMS AND LIQUID VAPOR...
    • Publication number 20220026125
    • Publication date Jan 27, 2022
    • TRANE INTERNATIONAL INC.
    • Ronald Maurice Cosby
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    REFRIGERATION SYSTEM WITH PURGE AND ACID FILTER
    • Publication number 20210348812
    • Publication date Nov 11, 2021
    • TRANE INTERNATIONAL INC.
    • Daoud Ali JANDAL
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    REFRIGERANT ADDITIVES AND COMPOSITIONS
    • Publication number 20210246347
    • Publication date Aug 12, 2021
    • TRANE INTERNATIONAL INC.
    • Stephen Anthony Kujak
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    SYSTEMS AND METHODS FOR GRID APPLIANCES
    • Publication number 20210126457
    • Publication date Apr 29, 2021
    • TRANE INTERNATIONAL INC.
    • Michael Sean Day
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    REFRIGERANT MANAGEMENT IN HVAC SYSTEMS
    • Publication number 20210088262
    • Publication date Mar 25, 2021
    • TRANE INTERNATIONAL INC.
    • Jon Phillip Hartfield
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    HEAT TRANSFER CIRCUIT WITH TARGETED ADDITIVE SUPPLY
    • Publication number 20210033323
    • Publication date Feb 4, 2021
    • TRANE INTERNATIONAL INC.
    • Stephen A. Kujak
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    LOWER GWP REFRIGERANT COMPOSITIONS
    • Publication number 20200291282
    • Publication date Sep 17, 2020
    • TRANE INTERNATIONAL INC.
    • Kenneth J. SCHULTZ
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERANT COMPOSITIONS AND METHODS OF USE
    • Publication number 20200283664
    • Publication date Sep 10, 2020
    • TRANE INTERNATIONAL INC.
    • Stephen A. KUJAK
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    LOW GLOBAL WARMING POTENTIAL REFRIGERANTS IN LIQUID CHILLERS
    • Publication number 20200172781
    • Publication date Jun 4, 2020
    • TRANE INTERNATIONAL INC.
    • Stephen A. KUJAK
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    CASCADE HEAT TRANSFER SYSTEM
    • Publication number 20200148038
    • Publication date May 14, 2020
    • Thermo King Corporation
    • Stephen A. KUJAK
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    PHOBIC/PHILIC STRUCTURES IN REFRIGERATION SYSTEMS AND LIQUID VAPOR...
    • Publication number 20200064035
    • Publication date Feb 27, 2020
    • TRANE INTERNATIONAL INC.
    • Ronald Maurice Cosby
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    REFRIGERANT LEAK DETECTION BY USE OF FLUID ADDITIVE
    • Publication number 20200064036
    • Publication date Feb 27, 2020
    • TRANE INTERNATIONAL INC.
    • Stephen A. Kujak
    • G01 - MEASURING TESTING
  • Information Patent Application

    SYSTEMS AND METHODS FOR GRID APPLIANCES
    • Publication number 20190372346
    • Publication date Dec 5, 2019
    • TRANE INTERNATIONAL INC.
    • Michael Sean Day
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    REFRIGERATION SYSTEM WITH PURGE AND ACID FILTER
    • Publication number 20190285323
    • Publication date Sep 19, 2019
    • TRANE INTERNATIONAL INC.
    • Daoud Ali JANDAL
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    REFRIGERANT ADDITIVES AND COMPOSITIONS
    • Publication number 20190218439
    • Publication date Jul 18, 2019
    • TRANE INTERNATIONAL INC.
    • Stephen Anthony Kujak
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    LOWER GWP REFRIGERANT COMPOSITIONS
    • Publication number 20190203091
    • Publication date Jul 4, 2019
    • TRANE INTERNATIONAL INC.
    • Kenneth J. SCHULTZ
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    LOWER GWP REFRIGERANT COMPOSITIONS
    • Publication number 20190203093
    • Publication date Jul 4, 2019
    • TRANE INTERNATIONAL INC.
    • Kenneth J. SCHULTZ
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    LOWER GWP REFRIGERANT COMPOSITIONS
    • Publication number 20190203092
    • Publication date Jul 4, 2019
    • TRANE INTERNATIONAL INC.
    • Kenneth J. Schultz
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    RETROFITTING R410A HVAC PRODUCTS TO HANDLE FLAMMABLE REFRIGERANTS
    • Publication number 20190195542
    • Publication date Jun 27, 2019
    • TRANE INTERNATIONAL INC.
    • William G. Hansen
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    LOW GLOBAL WARMING POTENTIAL REFRIGERANTS IN LIQUID CHILLERS
    • Publication number 20190161659
    • Publication date May 30, 2019
    • TRANE INTERNATIONAL INC.
    • Stephen A. Kujak
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    REFRIGERANT RECOVERY AND REPURPOSING
    • Publication number 20190003755
    • Publication date Jan 3, 2019
    • TRANE INTERNATIONAL INC.
    • Dermott Crombie
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...