Urban Olsson

Person

  • Forsbacka, SE

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Thread Joint

    • Publication number 20080304904
    • Publication date Dec 11, 2008
    • Urban Olsson
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Rock drill bit and a check valve therefor

    • Publication number 20010040055
    • Publication date Nov 15, 2001
    • Urban Olsson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...