TREA

Perforating recorders

Follow

Industry

  • CPC
  • H04L15/32
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

HELECTRICITY H04Electric communication H04LTRANSMISSION OF DIGITAL INFORMATION H04L15/00Apparatus or local circuits for transmitting or receiving dot-and-dash codes

Current Industry

H04L15/32Perforating recorders
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Event-based content presentation using a social media platform
    • Patent number 10,979,249
    • Issue date Apr 13, 2021
    • Twitter, Inc.
    • Andrew Jared Adashek
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Method of continuing conversations on a social network over chat
    • Patent number 8,832,212
    • Issue date Sep 9, 2014
    • Google Inc.
    • Chirag Shah
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2683190
    • Patent number 2,683,190
    • Issue date Jul 6, 1954
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2492503
    • Patent number 2,492,503
    • Issue date Dec 27, 1949
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2492504
    • Patent number 2,492,504
    • Issue date Dec 27, 1949
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2466471
    • Patent number 2,466,471
    • Issue date Apr 5, 1949
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2398115
    • Patent number 2,398,115
    • Issue date Apr 9, 1946
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2365140
    • Patent number 2,365,140
    • Issue date Dec 12, 1944
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1995030
    • Patent number 1,995,030
    • Issue date Mar 19, 1935
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1923403
    • Patent number 1,923,403
    • Issue date Aug 22, 1933
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1920237
    • Patent number 1,920,237
    • Issue date Aug 1, 1933
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1792283
    • Patent number 1,792,283
    • Issue date Feb 10, 1931
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1629466
    • Patent number 1,629,466
    • Issue date May 24, 1927
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1616877
    • Patent number 1,616,877
    • Issue date Feb 8, 1927
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1543906
    • Patent number 1,543,906
    • Issue date Jun 30, 1925
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1498140
    • Patent number 1,498,140
    • Issue date Jun 17, 1924
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1481153
    • Patent number 1,481,153
    • Issue date Jan 15, 1924
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1452794
    • Patent number 1,452,794
    • Issue date Apr 24, 1923
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1452793
    • Patent number 1,452,793
    • Issue date Apr 24, 1923
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents