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Thomas J. Davern

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  • St. Charles, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-port valve
    • Patent number 11,655,905
    • Issue date May 23, 2023
    • Robertshaw Controls Company
    • Joe Ledvora
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-port multi-plane valve
    • Patent number 11,655,906
    • Issue date May 23, 2023
    • Robertshaw Controls Company
    • Joseph Ledvora
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Air damper with stepper motor
    • Patent number 11,359,854
    • Issue date Jun 14, 2022
    • Robertshaw Controls Company
    • Kyle William Svejcar
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-port multi-plane valve
    • Patent number 11,255,450
    • Issue date Feb 22, 2022
    • Robertshaw Controls Company
    • Joseph Ledvora
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-port valve with partial circumferential seal arrangement
    • Patent number 11,156,300
    • Issue date Oct 26, 2021
    • Robertshaw Controls Company
    • Andrzej Bunda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Timer blade
    • Patent number D790485
    • Issue date Jun 27, 2017
    • Robertshaw Controls Company
    • Kevin J. Engler
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Timer blade
    • Patent number D761743
    • Issue date Jul 19, 2016
    • Robertshaw Controls Company
    • Kevin J. Engler
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Appliance timer mechanism utilizing snap action switching
    • Patent number 7,649,148
    • Issue date Jan 19, 2010
    • Robertshaw Controls Company
    • James E. Pearson
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Refrigeration and defrost control system
    • Patent number 7,454,918
    • Issue date Nov 25, 2008
    • Robertshaw Controls Company
    • Thomas J. Davern
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigerator damper with PTC heater actuation
    • Patent number 7,174,734
    • Issue date Feb 13, 2007
    • Robertshaw Controls Company
    • Thomas J. Davern
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Bi-directional air flow damper having uni-directional synchronous m...
    • Patent number 7,140,593
    • Issue date Nov 28, 2006
    • Robertshaw Controls Company
    • James E. Pearson
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Flow-through rotary damper providing compartment selectivity for a...
    • Patent number 6,880,359
    • Issue date Apr 19, 2005
    • Robertshaw Controls Company
    • James E. Pearson
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

  • Information Patent Application

    MULTI-PORT MULTI-PLANE VALVE
    • Publication number 20220010884
    • Publication date Jan 13, 2022
    • Robertshaw Controls Company
    • Joseph Ledvora
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MULTI-PORT VALVE WITH PARTIAL CIRCUMFERENTIAL SEAL ARRANGEMENT
    • Publication number 20210131575
    • Publication date May 6, 2021
    • Robertshaw Controls Company
    • Andrzej Bunda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    AIR DAMPER WITH STEPPER MOTOR
    • Publication number 20200408455
    • Publication date Dec 31, 2020
    • Robertshaw Controls Company
    • Kyle William Svejcar
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    MULTI-PORT MULTI-PLANE VALVE
    • Publication number 20200200284
    • Publication date Jun 25, 2020
    • Robertshaw Controls Company
    • Joseph Ledvora
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    INTEGRATED FLOW CHECK FOR WATER/COOLANT VALVES
    • Publication number 20200173569
    • Publication date Jun 4, 2020
    • Robertshaw Controls Company
    • Michael J. Koch
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MULTI-PORT VALVE
    • Publication number 20180292016
    • Publication date Oct 11, 2018
    • Robertshaw Controls Company
    • Joe Ledvora
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Refrigeration and defrost control system
    • Publication number 20060218946
    • Publication date Oct 5, 2006
    • Robertshaw Controls Company
    • Thomas J. Davern
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    BI-DIRECTIONAL AIR FLOW DAMPER HAVING UNI-DIRECTIONAL SYNCHRONOUS M...
    • Publication number 20060219971
    • Publication date Oct 5, 2006
    • Robertshaw Controls Company
    • James E. Pearson
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Appliance timer mechanism utilizing snap action switching
    • Publication number 20060163044
    • Publication date Jul 27, 2006
    • Robertshaw Controls Company
    • James E. Pearson
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Refrigerator damper with PTC heater actuation
    • Publication number 20060112704
    • Publication date Jun 1, 2006
    • Thomas J. Davern
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Flow-through rotary damper providing compartment selectivity for a...
    • Publication number 20050011218
    • Publication date Jan 20, 2005
    • Robertshaw Controls Company
    • James E. Pearson
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...