Raphael Koroma Chidubem

Person

  • Richmond, VA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Exhaust tail pipe filter

    • Patent number D914566
    • Issue date Mar 30, 2021
    • Raphael Koroma Chidubem
    • D12 - Transportation
  • Information Patent Grant

    Exhaust tail pipe/emissions filter

    • Patent number 10,823,024
    • Issue date Nov 3, 2020
    • Raphael Koroma Chidubem
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    EXHAUST TAIL PIPE INSERT/EMISSIONS FILTER

    • Publication number 20210140355
    • Publication date May 13, 2021
    • Raphael K. Chidubem
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    EXHAUST TAIL PIPE/EMISSIONS FILTER

    • Publication number 20200248600
    • Publication date Aug 6, 2020
    • Raphael Koroma Chidubem
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    EXHAUST TAIL PIPE/EMISSIONS FILTER

    • Publication number 20180313242
    • Publication date Nov 1, 2018
    • Raphael Koroma Chidubem
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES