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Lawrence Duwell

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  • Adell, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Toilet with non-vitreous flush engine
    • Patent number 11,866,921
    • Issue date Jan 9, 2024
    • Kohler Co.
    • Billy Jack Ahola
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Plumbing fixture with drain-casted jet orifice
    • Patent number 11,761,189
    • Issue date Sep 19, 2023
    • Andrew L. Smith
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Plumbing fixture with drain-casted jet orifice
    • Patent number 11,421,413
    • Issue date Aug 23, 2022
    • KOHLER CO.
    • Andrew L. Smith
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Retractable cord management system
    • Patent number 11,401,132
    • Issue date Aug 2, 2022
    • Kohler Co.
    • Andrew L. Smith
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Universal canister flush valve
    • Patent number 11,286,655
    • Issue date Mar 29, 2022
    • Kohler Co.
    • Andrew L. Smith
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Toilet with non-vitreous flush engine
    • Patent number 11,180,910
    • Issue date Nov 23, 2021
    • Kohler Co.
    • Billy Jack Ahola
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Plumbing fixture with drain-casted jet orifice
    • Patent number 11,028,567
    • Issue date Jun 8, 2021
    • Kohler Co.
    • Andrew L. Smith
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Pre-primed siphonic toilet
    • Patent number 11,021,863
    • Issue date Jun 1, 2021
    • Kohler Co.
    • Andrew L. Smith
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Toilet coupling
    • Patent number 10,738,448
    • Issue date Aug 11, 2020
    • Kohler Co.
    • Peter William Swart
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Pre-primed siphonic toilet
    • Patent number 10,428,509
    • Issue date Oct 1, 2019
    • Kohler Co.
    • Andrew L. Smith
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Toilet seat package
    • Patent number 10,414,540
    • Issue date Sep 17, 2019
    • Kohler Co.
    • Jacob Barry Meicher
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Pre-primed siphonic toilet
    • Patent number 9,988,802
    • Issue date Jun 5, 2018
    • Kohler Co.
    • Andrew L. Smith
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Water tank system for toilet
    • Patent number 9,816,259
    • Issue date Nov 14, 2017
    • Kohler Co.
    • Billy Jack Ahola
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Urinal
    • Patent number D747786
    • Issue date Jan 19, 2016
    • Kohler Co.
    • Billy Jack Ahola
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Urinal
    • Patent number D747447
    • Issue date Jan 12, 2016
    • Kohler Co.
    • Billy Jack Ahola
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Packaging for plumbing fixtures
    • Patent number 9,233,774
    • Issue date Jan 12, 2016
    • Kohler Co.
    • Peter W. Swart
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Urinal
    • Patent number D747448
    • Issue date Jan 12, 2016
    • Kohler Co.
    • Billy Jack Ahola
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Urinal
    • Patent number D743012
    • Issue date Nov 10, 2015
    • Kohler Co.
    • Billy Jack Ahola
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Packaging for plumbing fixtures
    • Patent number 8,763,803
    • Issue date Jul 1, 2014
    • Kohler Co.
    • Peter W. Swart
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Packaging for plumbing fixtures
    • Patent number D693674
    • Issue date Nov 19, 2013
    • Kohler Co.
    • Peter W. Swart
    • D09 - Packages and containers for goods
  • Information Patent Grant

    Packaging for plumbing fixtures
    • Patent number D684464
    • Issue date Jun 18, 2013
    • Kohler Co.
    • Peter W. Swart
    • D09 - Packages and containers for goods
  • Information Patent Grant

    Packaging for plumbing fixtures
    • Patent number D678056
    • Issue date Mar 19, 2013
    • Kohler Co.
    • Peter W. Swart
    • D09 - Packages and containers for goods
  • Information Patent Grant

    Packaging for plumbing fixtures
    • Patent number D668144
    • Issue date Oct 2, 2012
    • Kohler Co.
    • Peter W. Swart
    • D09 - Packages and containers for goods

Patents Applicationslast 30 patents

  • Information Patent Application

    TOILET WITH NON-VITREOUS FLUSH ENGINE
    • Publication number 20240093476
    • Publication date Mar 21, 2024
    • KOHLER CO.
    • Billy Jack Ahola
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    PLUMBING FIXTURE WITH DRAIN-CASTED JET ORIFICE
    • Publication number 20220349168
    • Publication date Nov 3, 2022
    • KOHLER CO.
    • ANDREW L. SMITH
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    UNIVERSAL CANISTER FLUSH VALVE
    • Publication number 20220178123
    • Publication date Jun 9, 2022
    • KOHLER CO.
    • Andrew L. Smith
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    TOILET WITH NON-VITREOUS FLUSH ENGINE
    • Publication number 20220049485
    • Publication date Feb 17, 2022
    • Kohler Co.
    • Billy Jack Ahola
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    PLUMBING FIXTURE WITH DRAIN-CASTED JET ORIFICE
    • Publication number 20210262215
    • Publication date Aug 26, 2021
    • Kohler Co.
    • Andrew L. Smith
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    PLUMBING FIXTURE WITH DRAIN-CASTED JET ORIFICE
    • Publication number 20200332509
    • Publication date Oct 22, 2020
    • KOHLER CO.
    • ANDREW L. SMITH
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    UNIVERSAL CANISTER FLUSH VALVE
    • Publication number 20200263405
    • Publication date Aug 20, 2020
    • KOHLER CO.
    • Andrew L. Smith
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    RETRACTABLE CORD MANAGEMENT SYSTEM
    • Publication number 20200130982
    • Publication date Apr 30, 2020
    • KOHLER CO.
    • Andrew L. Smith
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    TOILET WITH NON-VITREOUS FLUSH ENGINE
    • Publication number 20200048886
    • Publication date Feb 13, 2020
    • KOHLER CO.
    • Billy Jack Ahola
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    Pre-Primed Siphonic Toilet
    • Publication number 20190382994
    • Publication date Dec 19, 2019
    • KOHLER CO.
    • Andrew L. Smith
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    TOILET COUPLING
    • Publication number 20190169825
    • Publication date Jun 6, 2019
    • KOHLER CO.
    • Peter William Swart
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    TOILET SEAT PACKAGE
    • Publication number 20180290788
    • Publication date Oct 11, 2018
    • KOHLER CO.
    • Jacob Barry Meicher
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    PRE-PRIMED SIPHONIC TOILET
    • Publication number 20180258630
    • Publication date Sep 13, 2018
    • KOHLER CO.
    • Andrew L. Smith
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    PRE-PRIMED SIPHONIC TOILET
    • Publication number 20180142457
    • Publication date May 24, 2018
    • KOHLER CO.
    • Andrew L. Smith
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    WATER TANK SYSTEM FOR TOILET
    • Publication number 20140366259
    • Publication date Dec 18, 2014
    • Billy Jack Ahola
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    PACKAGING FOR PLUMBING FIXTURES
    • Publication number 20140312105
    • Publication date Oct 23, 2014
    • Peter W. Swart
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    PACKAGING FOR PLUMBING FIXTURES
    • Publication number 20130008812
    • Publication date Jan 10, 2013
    • Kohler Co.
    • Peter W. Swart
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL