TREA

of springs hooks of spring safety hooks

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Industry

  • CPC
  • B21F45/20
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21FWORKING OR PROCESSING OF METAL WIRE B21F45/00Wire-working in the manufacture of other particular articles

Current Industry

B21F45/20of springs hooks of spring safety hooks
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Electrical dust filter manufacturing method and electrical dust fil...
    • Patent number 11,084,078
    • Issue date Aug 10, 2021
    • NIT KOREA CO., LTD
    • Dong Hyun Jeon
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Hook device
    • Patent number 9,970,474
    • Issue date May 15, 2018
    • Jeffrey D. Jacobson
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Grant

    2459735
    • Patent number 2,459,735
    • Issue date Jan 18, 1949
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1663663
    • Patent number 1,663,663
    • Issue date Mar 27, 1928
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRICAL DUST FILTER MANUFACTURING METHOD AND ELECTRICAL DUST FIL...
    • Publication number 20190039077
    • Publication date Feb 7, 2019
    • NIT KOREA CO., LTD
    • Dong Hyun JEON
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Hook Device
    • Publication number 20150275958
    • Publication date Oct 1, 2015
    • Jeffrey D. Jacobson
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...