Lewis CHENG

Person

  • Hong Kong, CN

Patents Grantslast 30 patents

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