containing rhenium

Industry

  • CPC
  • H01H2001/0208
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electric contact material and method of producing the same

    • Patent number 4,330,331
    • Issue date May 18, 1982
    • Nippon Telegraph & Telephone Public Corporation
    • Koichi Fujiwara
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Electrical contact material

    • Patent number 4,279,649
    • Issue date Jul 21, 1981
    • Nippon Telegraph & Telephone Public Corporation
    • Koichi Fujiwara
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Low-current contact construction

    • Patent number 4,105,828
    • Issue date Aug 8, 1978
    • Siemens Aktiengesellschaft
    • Lothar Borchert
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3771326

    • Patent number 3,771,326
    • Issue date Nov 13, 1973
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • Information Patent Grant

    3721550

    • Patent number 3,721,550
    • Issue date Mar 20, 1973
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    3638293

    • Patent number 3,638,293
    • Issue date Feb 1, 1972
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3610859

    • Patent number 3,610,859
    • Issue date Oct 5, 1971
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    3518390

    • Patent number 3,518,390
    • Issue date Jun 30, 1970
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    3177328

    • Patent number 3,177,328
    • Issue date Apr 6, 1965
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2997524

    • Patent number 2,997,524
    • Issue date Aug 22, 1961
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2914640

    • Patent number 2,914,640
    • Issue date Nov 24, 1959
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2733319

    • Patent number 2,733,319
    • Issue date Jan 31, 1956
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    2234969

    • Patent number 2,234,969
    • Issue date Mar 18, 1941
    • H01 - BASIC ELECTRIC ELEMENTS