using mechanical devices

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  • CPC
  • H04L25/202
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Patents Grantslast 30 patents

  • Information Patent Grant

    Machine type communication event reporting method, device and system

    • Patent number 9,100,771
    • Issue date Aug 4, 2015
    • ZTE Corporation
    • Zhijun Li
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2654803

    • Patent number 2,654,803
    • Issue date Oct 6, 1953
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2611824

    • Patent number 2,611,824
    • Issue date Sep 23, 1952
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2581426

    • Patent number 2,581,426
    • Issue date Jan 8, 1952
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2484066

    • Patent number 2,484,066
    • Issue date Oct 11, 1949
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2481919

    • Patent number 2,481,919
    • Issue date Sep 13, 1949
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2474490

    • Patent number 2,474,490
    • Issue date Jun 28, 1949
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2471891

    • Patent number 2,471,891
    • Issue date May 31, 1949
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2468065

    • Patent number 2,468,065
    • Issue date Apr 26, 1949
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2433362

    • Patent number 2,433,362
    • Issue date Dec 30, 1947
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2403682

    • Patent number 2,403,682
    • Issue date Jul 9, 1946
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2392339

    • Patent number 2,392,339
    • Issue date Jan 8, 1946
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2379253

    • Patent number 2,379,253
    • Issue date Jun 26, 1945
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2367910

    • Patent number 2,367,910
    • Issue date Jan 23, 1945
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2358100

    • Patent number 2,358,100
    • Issue date Sep 12, 1944
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2357840

    • Patent number 2,357,840
    • Issue date Sep 12, 1944
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2337496

    • Patent number 2,337,496
    • Issue date Dec 21, 1943
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2334551

    • Patent number 2,334,551
    • Issue date Nov 16, 1943
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2328674

    • Patent number 2,328,674
    • Issue date Sep 7, 1943
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2321619

    • Patent number 2,321,619
    • Issue date Jun 15, 1943
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2292783

    • Patent number 2,292,783
    • Issue date Aug 11, 1942
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2262856

    • Patent number 2,262,856
    • Issue date Nov 18, 1941
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2252622

    • Patent number 2,252,622
    • Issue date Aug 12, 1941
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2243215

    • Patent number 2,243,215
    • Issue date May 27, 1941
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2235411

    • Patent number 2,235,411
    • Issue date Mar 18, 1941
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2214910

    • Patent number 2,214,910
    • Issue date Sep 17, 1940
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2195973

    • Patent number 2,195,973
    • Issue date Apr 2, 1940
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2186150

    • Patent number 2,186,150
    • Issue date Jan 9, 1940
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2147823

    • Patent number 2,147,823
    • Issue date Feb 21, 1939
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2144938

    • Patent number 2,144,938
    • Issue date Jan 24, 1939
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents