TREA

Hans Kahlen

Follow

Person

  • Weinheim-Sulzbach, DE
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Shunting element
    • Patent number 4,849,806
    • Issue date Jul 18, 1989
    • Brown, Boveri & Cie AG
    • Hans Kahlen
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Propulsion system for vehicles with a d-c machine
    • Patent number 4,489,258
    • Issue date Dec 18, 1984
    • Brown, Boveri & Cie, AG.
    • Hans Kahlen
    • B60 - VEHICLES IN GENERAL