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David P. Culbertson

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  • Richmond, IL, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    HIGH POWER DENSITY INSULATED EXHAUST HEATING SYSTEM
    • Publication number 20240151173
    • Publication date May 9, 2024
    • WATLOW ELECTRIC MANUFACTURING COMPANY
    • Mark D. EVERLY
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VIRTUAL SENSING SYSTEM
    • Publication number 20230003161
    • Publication date Jan 5, 2023
    • WATLOW ELECTRIC MANUFACTURING COMPANY
    • James N. PRADUN
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    HIGH POWER DENSITY INSULATED EXHAUST HEATING SYSTEM
    • Publication number 20220356828
    • Publication date Nov 10, 2022
    • WATLOW ELECTRIC MANUFACTURING COMPANY
    • Mark D. EVERLY
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    HIGH POWER DENSITY INSULATED EXHAUST HEATING SYSTEM
    • Publication number 20220356829
    • Publication date Nov 10, 2022
    • WATLOW ELECTRIC MANUFACTURING COMPANY
    • Mark D. EVERLY
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    HIGH POWER DENSITY INSULATED EXHAUST HEATING SYSTEM
    • Publication number 20220082043
    • Publication date Mar 17, 2022
    • WATLOW ELECTRIC MANUFACTURING COMPANY
    • Mark D. EVERLY
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    HIGH POWER DENSITY INSULATED EXHAUST HEATING SYSTEM
    • Publication number 20210381417
    • Publication date Dec 9, 2021
    • WATLOW ELECTRIC MANUFACTURING COMPANY
    • Mark D. EVERLY
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    RESISTANCE CALIBRATION AND MONITORING OF THERMAL SYSTEMS
    • Publication number 20210318177
    • Publication date Oct 14, 2021
    • WATLOW ELECTRIC MANUFACTURING COMPANY
    • David P. CULBERTSON
    • G01 - MEASURING TESTING
  • Information Patent Application

    VIRTUAL SENSING SYSTEM
    • Publication number 20200370461
    • Publication date Nov 26, 2020
    • WATLOW ELECTRIC MANUFACTURING COMPANY
    • James N. PRADUN
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    DUAL-PURPOSE HEATER AND FLUID FLOW MEASUREMENT SYSTEM
    • Publication number 20200284179
    • Publication date Sep 10, 2020
    • WATLOW ELECTRIC MANUFACTURING COMPANY
    • Cal SWANSON
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    HIGH POWER DENSITY INSULATED EXHAUST HEATING SYSTEM
    • Publication number 20200200060
    • Publication date Jun 25, 2020
    • WATLOW ELECTRIC MANUFACTURING COMPANY
    • Mark D. Everly
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    SMART HEATER SYSTEM
    • Publication number 20200174505
    • Publication date Jun 4, 2020
    • WATLOW ELECTRIC MANUFACTURING COMPANY
    • David P. CULBERTSON
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VIRTUAL SENSING SYSTEM
    • Publication number 20200109654
    • Publication date Apr 9, 2020
    • WATLOW ELECTRIC MANUFACTURING COMPANY
    • James N. PRADUN
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    VIRTUAL SENSING SYSTEM
    • Publication number 20190155230
    • Publication date May 23, 2019
    • WATLOW ELECTRIC MANUFACTURING COMPANY
    • David P. CULBERTSON
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    HIGH POWER DENSITY INSULATED EXHAUST HEATING SYSTEM
    • Publication number 20180119591
    • Publication date May 3, 2018
    • WATLOW ELECTRIC MANUFACTURING COMPANY
    • Mark D. Everly
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    HEATER ELEMENT AS SENSOR FOR TEMPERATURE CONTROL IN TRANSIENT SYSTEMS
    • Publication number 20170359857
    • Publication date Dec 14, 2017
    • WATLOW ELECTRIC MANUFACTURING COMPANY
    • David P. Culbertson
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    DUAL-PURPOSE HEATER AND FLUID FLOW MEASUREMENT SYSTEM
    • Publication number 20170254242
    • Publication date Sep 7, 2017
    • WATLOW ELECTRIC MANUFACTURING COMPANY
    • Cal Swanson
    • G01 - MEASURING TESTING
  • Information Patent Application

    SMART HEATER SYSTEM
    • Publication number 20140343747
    • Publication date Nov 20, 2014
    • David P. CULBERTSON
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    EXHUAST GAS HEATING APPARATUS
    • Publication number 20140190151
    • Publication date Jul 10, 2014
    • WATLOW ELECTRIC MANUFACTURING COMPANY
    • David P. Culbertson
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    TEMPERATURE SENSOR ASSEMBLY AND METHOD OF MANUFACTURING THEREOF
    • Publication number 20080025372
    • Publication date Jan 31, 2008
    • Wallow Electric Manufacturing Co.
    • David P. Culbertson
    • G01 - MEASURING TESTING
  • Information Patent Application

    SENSOR ADAPTOR CIRCUIT HOUSING ASSEMBLY AND METHOD OF MANUFACTURING...
    • Publication number 20080026610
    • Publication date Jan 31, 2008
    • Watlow Electric Manufacturing Co.
    • Robert K. Frake
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Method of diagnosing an operations system
    • Publication number 20060075009
    • Publication date Apr 6, 2006
    • WATLOW ELECTRIC MANUFACTURING COMPANY
    • Gary A. Lenz
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    Temperature sensing system
    • Publication number 20060062091
    • Publication date Mar 23, 2006
    • WATLOW ELECTRIC MANUFACTURING COMPANY
    • Gary A. Lenz
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    Distributed diagnostic operations system
    • Publication number 20060058847
    • Publication date Mar 16, 2006
    • WATLOW ELECTRIC MANUFACTURING COMPANY
    • Gary A. Lenz
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    Method of temperature sensing
    • Publication number 20060047480
    • Publication date Mar 2, 2006
    • WATLOW ELECTRIC MANUFACTURING COMPANY
    • Gary A. Lenz
    • G05 - CONTROLLING REGULATING