Donald Butterworth

Person

  • Hewitt, NJ, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Fluid method and system

    • Patent number 11,022,012
    • Issue date Jun 1, 2021
    • CASTROL LIMITED
    • Donald Butterworth
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    Fluid Method and System

    • Publication number 20180266288
    • Publication date Sep 20, 2018
    • Castrol Limited
    • Donald Butterworth
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Fluid Method and System

    • Publication number 20180258806
    • Publication date Sep 13, 2018
    • Donald Butterworth
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Fluid Method and System

    • Publication number 20180087418
    • Publication date Mar 29, 2018
    • CASTROL LIMITED
    • Daniel Cadigan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Fluid Method and System

    • Publication number 20180080353
    • Publication date Mar 22, 2018
    • CASTROL LIMITED
    • Daniel Cadigan
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL