Metal treatment

Patents Grantslast 30 patents

  • Information Patent Grant

    Connecting element for the frictional connection of components

    • Patent number 6,347,905
    • Issue date Feb 19, 2002
    • Elektroschmelzwerk Kempten GmbH
    • Jorg Lukschandel
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Design element for connection to a hollow shaft

    • Patent number 5,447,385
    • Issue date Sep 5, 1995
    • Emitec Gesellschaft fur Emissionstechnologie mbH
    • Helmut Swars
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Process for joining a hollow shaft and elements slid thereon

    • Patent number 5,287,615
    • Issue date Feb 22, 1994
    • Emitech Gesellschaft fur Emissionstechnologie mbH
    • Helmut Swars
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3061338

    • Patent number 3,061,338
    • Issue date Oct 30, 1962
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2901822

    • Patent number 2,901,822
    • Issue date Sep 1, 1959
    • D03 - WEAVING
  • Information Patent Grant

    2900203

    • Patent number 2,900,203
    • Issue date Aug 18, 1959
    • D03 - WEAVING
  • Information Patent Grant

    2832118

    • Patent number 2,832,118
    • Issue date Apr 29, 1958
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2803984

    • Patent number 2,803,984
    • Issue date Aug 27, 1957
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2691814

    • Patent number 2,691,814
    • Issue date Oct 19, 1954
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2667688

    • Patent number 2,667,688
    • Issue date Feb 2, 1954
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2645510

    • Patent number 2,645,510
    • Issue date Jul 14, 1953
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    2643863

    • Patent number 2,643,863
    • Issue date Jun 30, 1953
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2617178

    • Patent number 2,617,178
    • Issue date Nov 11, 1952
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2487169

    • Patent number 2,487,169
    • Issue date Nov 8, 1949
    • E04 - BUILDING
  • Information Patent Grant

    2404523

    • Patent number 2,404,523
    • Issue date Jul 23, 1946
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    2381890

    • Patent number 2,381,890
    • Issue date Aug 14, 1945
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2355579

    • Patent number 2,355,579
    • Issue date Aug 8, 1944
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2340309

    • Patent number 2,340,309
    • Issue date Feb 1, 1944
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    2312579

    • Patent number 2,312,579
    • Issue date Mar 2, 1943
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2299143

    • Patent number 2,299,143
    • Issue date Oct 20, 1942
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2289785

    • Patent number 2,289,785
    • Issue date Jul 14, 1942
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    2279401

    • Patent number 2,279,401
    • Issue date Apr 14, 1942
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    2247499

    • Patent number 2,247,499
    • Issue date Jul 1, 1941
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    2217327

    • Patent number 2,217,327
    • Issue date Oct 8, 1940
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2212912

    • Patent number 2,212,912
    • Issue date Aug 27, 1940
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    2179089

    • Patent number 2,179,089
    • Issue date Nov 7, 1939
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2158845

    • Patent number 2,158,845
    • Issue date May 16, 1939
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2121035

    • Patent number 2,121,035
    • Issue date Jun 21, 1938
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2101707

    • Patent number 2,101,707
    • Issue date Dec 7, 1937
    • E04 - BUILDING
  • Information Patent Grant

    2050339

    • Patent number 2,050,339
    • Issue date Aug 11, 1936
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...