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David Duncan

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  • St. Catharines, CA
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Method Providing Superimposed Machine Readable Tags for Dispenser a...
    • Publication number 20220261606
    • Publication date Aug 18, 2022
    • OP-HYGIENE IP GmbH
    • Heiner Ophardt
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    INTERACTIVE DISPLAY DEVICE
    • Publication number 20210235943
    • Publication date Aug 5, 2021
    • OP-Hygiene IP GmbH
    • Heiner Ophardt
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Application

    INTERACTIVE DISPLAY DEVICE
    • Publication number 20210235942
    • Publication date Aug 5, 2021
    • OP-Hygiene IP GmbH
    • Heiner Ophardt
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Application

    Method Providing Superimposed Machine Readable Tags for Dispenser a...
    • Publication number 20200257949
    • Publication date Aug 13, 2020
    • OP-HYGIENE IP GmbH
    • Heiner Ophardt
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Method Providing Superimposed QR Code for Dispenser and Replaceable...
    • Publication number 20190318213
    • Publication date Oct 17, 2019
    • OP-Hygiene IP GmbH
    • Heiner Ophardt
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Interactive Display Device
    • Publication number 20190069730
    • Publication date Mar 7, 2019
    • OP-Hygiene IP GmbH
    • Heiner Ophardt
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Reservoir With Removable Mobile Dispenser
    • Publication number 20180255980
    • Publication date Sep 13, 2018
    • OP-Hygiene IP GmbH
    • Heiner Ophardt
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    Superimposed QR Code for Dispenser and Replaceable Reservoir
    • Publication number 20170337458
    • Publication date Nov 23, 2017
    • OP-Hygiene IP GmbH
    • Heiner Ophardt
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Interactive Display Device
    • Publication number 20170215655
    • Publication date Aug 3, 2017
    • OP-HYGIENE IP GmbH
    • Heiner Ophardt
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Levitation Fluid Dispenser
    • Publication number 20170143171
    • Publication date May 25, 2017
    • OP-HYGIENE IP GmbH
    • Heiner Ophardt
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Liquid Dispenser With Removable Mobile Dispenser
    • Publication number 20160249774
    • Publication date Sep 1, 2016
    • OP-Hygiene IP GmbH
    • Heiner Ophardt
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Dispenser Shroud
    • Publication number 20150034677
    • Publication date Feb 5, 2015
    • OP-Hygiene IP GmbH
    • David Duncan
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...