Controlled or regulated

Patents Grantslast 30 patents

  • Information Patent Grant

    Screw pump

    • Patent number 10,975,864
    • Issue date Apr 13, 2021
    • LEISTRITZ PUMPEN GMBH
    • Oliver Trossmann
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents