Ruiming Zhang

Person

  • Coppell, TX, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Bearing cleaning composition and method of use

    • Patent number 7,241,723
    • Issue date Jul 10, 2007
    • NCH Corporation
    • Ruiming Zhang
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Multifunctional lubricant additive

    • Patent number 5,885,942
    • Issue date Mar 23, 1999
    • NCH Corporation
    • Ruiming Zhang
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents