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Industry

  • CPC
  • B21K7/04
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21KMAKING FORGED OR PRESSED METAL PRODUCTS B21K7/00Making railway appurtenances Making vehicle parts

Current Industry

B21K7/04switch tongues
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Switch device
    • Patent number 11,473,247
    • Issue date Oct 18, 2022
    • VOESTALPINE BWG GMBH
    • Thomas Bergk
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1442919
    • Patent number 1,442,919
    • Issue date Jan 23, 1923
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1439050
    • Patent number 1,439,050
    • Issue date Dec 19, 1922
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    SWITCH DEVICE
    • Publication number 20200217019
    • Publication date Jul 9, 2020
    • VOESTALPINE BWG GMBH
    • Thomas BERGK
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...