Patents 5,572show all

  • 2,328
    G08B - Signalling or calling systems
  • 493
    G06K - Recognition of data
  • 403
    H04N - Pictorial communication, e.g. television
  • 350
    E05B - Locks
  • 317
    H01Q - Antennas, i.e. radio aerials
  • 219
    G06Q - Data processing systems or methods, specially adapted for administrative, commercial, financial, managerial, supervisory or forecasting purposes
  • 171
    H01F - Magnets
  • 168
    H04L - Transmission of digital information, e.g. telegraphic communication
  • 163
    G07G - Registering the receipt of cash, valuables, or tokens
  • 141
    G01V - Geophysics

SEC Filings show all


339
8-K

72
10-Q

22
10-K

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