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Lewis CHENG

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  • Hong Kong, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bottle case
    • Patent number D1075517
    • Issue date May 20, 2025
    • CITADEL CASING LTD
    • Douglas Rumsam
    • D09 - Packages and containers for goods
  • Information Patent Grant

    Folding tamper-proof case with reinforcing inserts
    • Patent number 11,866,236
    • Issue date Jan 9, 2024
    • Citadel Casing Ltd
    • Douglas Rumsam
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Multi-channel flame simulation method and apparatus
    • Patent number 11,608,953
    • Issue date Mar 21, 2023
    • Polygroup Macau Limited (BVI)
    • Victor Hugo Ocegueda Gallaga
    • F21 - LIGHTING
  • Information Patent Grant

    Folding case and methods thereof
    • Patent number 11,492,173
    • Issue date Nov 8, 2022
    • CITADEL CASING LTD
    • Douglas Rumsam
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Multi-channel flame simulation method and apparatus
    • Patent number 11,248,762
    • Issue date Feb 15, 2022
    • Polygroup Macau Limited
    • Victor Hugo Ocegueda Gallaga
    • F21 - LIGHTING
  • Information Patent Grant

    Folding tamper-proof case and methods thereof
    • Patent number 10,994,889
    • Issue date May 4, 2021
    • CITADEL CASING LTD
    • Douglas Rumsam
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Multi-channel flame simulation method and apparatus
    • Patent number 10,711,963
    • Issue date Jul 14, 2020
    • POLYGROUP MACAU LIMITED (BVI)
    • Victor Hugo Ocegueda Gallaga
    • F21 - LIGHTING
  • Information Patent Grant

    Tamper-proof case systems and methods
    • Patent number 10,479,597
    • Issue date Nov 19, 2019
    • CITADEL CASING LTD
    • Lewis Ka Hang Cheng
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Pull up tree system
    • Patent number 8,309,188
    • Issue date Nov 13, 2012
    • Polygroup Macau Limited (BVI)
    • Lewis Cheng
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

  • Information Patent Application

    FOLDING TAMPER-PROOF CASE AND METHODS THEREOF
    • Publication number 20220315275
    • Publication date Oct 6, 2022
    • Citadel Casing Ltd
    • Douglas Rumsam
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    MULTI-CHANNEL FLAME SIMULATION METHOD AND APPARATUS
    • Publication number 20220163177
    • Publication date May 26, 2022
    • POLYGROUP MACAU LIMITED (BVI)
    • Victor Hugo Ocegueda Gallaga
    • F21 - LIGHTING
  • Information Patent Application

    FOLDING TAMPER-PROOF CASE AND METHODS THEREOF
    • Publication number 20210380319
    • Publication date Dec 9, 2021
    • CITADEL CASING LTD
    • Douglas Rumsam
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    FOLDING CASE AND METHODS THEREOF
    • Publication number 20210380309
    • Publication date Dec 9, 2021
    • CITADEL CASING LTD
    • Douglas Rumsam
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    MULTI-CHANNEL FLAME SIMULATION METHOD AND APPARATUS
    • Publication number 20200332976
    • Publication date Oct 22, 2020
    • POLYGROUP MACAU LIMITED (BVI)
    • Victor Hugo Ocegueda Gallaga
    • F21 - LIGHTING
  • Information Patent Application

    TAMPER-PROOF CASE SYSTEMS AND METHODS
    • Publication number 20180354711
    • Publication date Dec 13, 2018
    • CITADEL CASING LTD
    • Lewis Ka Hang Cheng
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    MULTI-CHANNEL FLAME SIMULATION METHOD AND APPARATUS
    • Publication number 20180156404
    • Publication date Jun 7, 2018
    • POLYGROUP MACAU LIMITED (BVI)
    • Victor Hugo Ocegueda Gallaga
    • F21 - LIGHTING
  • Information Patent Application

    Pull Up Tree System
    • Publication number 20110076425
    • Publication date Mar 31, 2011
    • POLYGROUP MACAU LIMITED (BVI)
    • Lewis Cheng
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    PULL UP TREE SYSTEM
    • Publication number 20100000065
    • Publication date Jan 7, 2010
    • Cindex Holdings Limited (a Hong Kong Corporation)
    • Lewis CHENG
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    OUTDOOR TREE STAND
    • Publication number 20090039230
    • Publication date Feb 12, 2009
    • Cindex Holdings Limited (a Hong Kong Corporation)
    • Lewis CHENG
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    COLLAPSIBLE DECORATIVE LIGHT SYSTEM
    • Publication number 20080298064
    • Publication date Dec 4, 2008
    • Cindex Holdings Limited (a Hong Kong Corporation)
    • Lewis CHENG
    • F21 - LIGHTING