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Michael W. Kondratuk

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  • Brookings, SD, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Building systems and methods for installing building systems relati...
    • Patent number 11,952,833
    • Issue date Apr 9, 2024
    • Larson Manufacturing Company of South Dakota, LLC
    • Sara Wermers
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Deadbolt assembly for simultaneously securing co-mounted doors toge...
    • Patent number 11,905,740
    • Issue date Feb 20, 2024
    • Larson Manufacturing Company of South Dakota, Inc.
    • Michael W. Kondratuk
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door-ready molding
    • Patent number 11,891,851
    • Issue date Feb 6, 2024
    • Larson Manufacturing Company of South Dakota, LLC
    • Alan M. Dixon
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Ready to install door system
    • Patent number 11,441,349
    • Issue date Sep 13, 2022
    • Larson Manufacturing Company of South Dakota, LLC
    • Alan M. Dixon
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Hydraulic door closer with fluid overflow chamber
    • Patent number 11,105,134
    • Issue date Aug 31, 2021
    • Larson Manufacturing Company of South Dakota, LLC
    • Michael W. Kondratuk
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Hydraulic door closer with fluid overflow chamber
    • Patent number 11,105,135
    • Issue date Aug 31, 2021
    • Larson Manufacturing Company of South Dakota, LLC
    • Michael W. Kondratuk
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Building systems and methods for installing building systems relati...
    • Patent number 11,105,146
    • Issue date Aug 31, 2021
    • Larson Manufacturing Company of South Dakota, LLC
    • Sara Wermers
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Building systems and methods for installing building systems relati...
    • Patent number 11,035,169
    • Issue date Jun 15, 2021
    • Larson Manufacturing Company of South Dakota, LLC
    • Sara Wermers
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Door with hidden door closer
    • Patent number 11,008,795
    • Issue date May 18, 2021
    • Larson Manufacturing Company of South Dakota, LLC
    • Alan M. Dixon
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Door with hidden door closer
    • Patent number 10,995,534
    • Issue date May 4, 2021
    • Larson Manufacturing Company of South Dakota, LLC
    • Alan M. Dixon
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door with hidden door closer
    • Patent number 10,801,241
    • Issue date Oct 13, 2020
    • Larson Manufacturing Company of South Dakota, Inc.
    • Alan M. Dixon
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door with hidden door closer
    • Patent number 10,801,242
    • Issue date Oct 13, 2020
    • Larson Manufacturing Company of South Dakota, Inc.
    • Alan M. Dixon
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door with hidden door closer
    • Patent number 10,774,570
    • Issue date Sep 15, 2020
    • Larson Manufacturing Company of South Dakota, Inc.
    • Alan M. Dixon
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Hydraulic door closer with fluid overflow chamber
    • Patent number 10,370,885
    • Issue date Aug 6, 2019
    • Larson Manufacturing Company of South Dakota
    • Michael W. Kondratuk
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Gear latch-bolt mechanism
    • Patent number 8,864,186
    • Issue date Oct 21, 2014
    • Larson Manufacturing Company
    • Michael W. Kondratuk
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Mortise deadbolt lock cam engagement device
    • Patent number 8,256,251
    • Issue date Sep 4, 2012
    • Larson Manufacturing Company
    • Michael W. Kondratuk
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Single bolt mortise lock
    • Patent number 7,354,081
    • Issue date Apr 8, 2008
    • Hardware Specialties, Inc.
    • Michael Kondratuk
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

  • Information Patent Application

    ALIGNMENT COMPONENTS FOR SELECTIVELY INTERLOCKING OPPOSING DOORS
    • Publication number 20240279970
    • Publication date Aug 22, 2024
    • Larson Manufacturing Company of South Dakota, LLC
    • Chao-Ming Huang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    DOOR-READY MOLDING
    • Publication number 20240200391
    • Publication date Jun 20, 2024
    • Larson Manufacturing Company of South Dakota, LLC
    • Alan M. Dixon
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    FLUID DAMPING APPARATUS
    • Publication number 20240035326
    • Publication date Feb 1, 2024
    • Larson Manufacturing Company of South Dakota, LLC
    • Michael Kondratuk
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    DOOR-READY MOLDING
    • Publication number 20220145693
    • Publication date May 12, 2022
    • Larson Manufacturing Company of South Dakota, LLC
    • Adam A. Allmandinger
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    RETENTION ASSEMBLY FOR SECURING TOGETHER COUPLED HANDLE ASSEMBLIES...
    • Publication number 20220081945
    • Publication date Mar 17, 2022
    • Kole Kramer
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    DEADBOLT ASSEMBLY FOR SIMULTANEOUSLY SECURING CO-MOUNTED DOORS TOGE...
    • Publication number 20220081937
    • Publication date Mar 17, 2022
    • Michael W. Kondratuk
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    READY TO INSTALL DOOR SYSTEM
    • Publication number 20220003035
    • Publication date Jan 6, 2022
    • LARSON MANUFACTURING COMPANY OF SOUTH DAKOTA, INC.
    • Alan M. Dixon
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    DOOR-READY MOLDING
    • Publication number 20210355743
    • Publication date Nov 18, 2021
    • Larson Manufacturing Company of South Dakota, LLC
    • Alan M. Dixon
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    HYDRAULIC DOOR CLOSER WITH FLUID OVERFLOW CHAMBER
    • Publication number 20190360250
    • Publication date Nov 28, 2019
    • LARSON MANUFACTURING COMPANY OF SOUTH DAKOTA, INC.
    • Michael W. Kondratuk
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    HYDRAULIC DOOR CLOSER WITH FLUID OVERFLOW CHAMBER
    • Publication number 20190360251
    • Publication date Nov 28, 2019
    • LARSON MANUFACTURING COMPANY OF SOUTH DAKOTA, INC.
    • Michael W. Kondratuk
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    DOOR LATCHING AND LOCK ASSEMBLY WITH QUICK-CONNECT DEVICES AND METH...
    • Publication number 20150137536
    • Publication date May 21, 2015
    • LARSON MANUFACTURING COMPANY OF SOUTH DAKOTA, INC.
    • Michael W. Kondratuk
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Lock Assembly
    • Publication number 20090229321
    • Publication date Sep 17, 2009
    • Telezygology, Inc.
    • Nicholas Eccles
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    MORTISE DEADBOLT LOCK CAM ENGAGEMENT DEVICE
    • Publication number 20090211317
    • Publication date Aug 27, 2009
    • Larson Manufacturing Company
    • Michael W. Kondratuk
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    GEAR LATCH-BOLT MECHANISM
    • Publication number 20090113957
    • Publication date May 7, 2009
    • Michael W. Kondratuk
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    MORTISE DEADBOLT LOCK CAM ENGAGEMENT DEVICE
    • Publication number 20090100883
    • Publication date Apr 23, 2009
    • Larson Manufacturingi Company
    • Michael W. Kondratuk
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES