TREA

Demao Wang

Follow

Person

  • Toronto, CA
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Scraper for cleaning tubular members
    • Patent number 7,159,264
    • Issue date Jan 9, 2007
    • Calgon Carbon Corporation
    • Bill Sotirakos
    • B08 - CLEANING
  • Information Patent Grant

    Tube scraper
    • Patent number 6,432,213
    • Issue date Aug 13, 2002
    • Photoscience Japan Corporation
    • Demao Wang
    • B08 - CLEANING

Patents Applicationslast 30 patents

  • Information Patent Application

    Scraper for cleaning tubular members
    • Publication number 20060123571
    • Publication date Jun 15, 2006
    • Bill Sotirakos
    • B08 - CLEANING
  • Information Patent Application

    Tube scraper
    • Publication number 20010032659
    • Publication date Oct 25, 2001
    • Demao Wang
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE