3740533

Information

• Patent Grant
• 3740533

• References
• Source

• Patent Number

  3,740,533

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1973
  51 years ago

• CPC

  • G06G7/66 - for control systems
  • E02F7/04 - Loading devices mounted on a dredger or an excavator hopper dredgers, also equipment for unloading the hopper
  • G01L27/005 - Apparatus for calibrating pressure sensors
  • G05B11/017 - using photo-electric means
  • G05D16/2073 - with a plurality of pressure sources

• US Classifications

  • 700 - Data processing: generic control systems or specific applications
  • 073 - Measuring and testing
  • 702 - Data processing: measuring, calibrating, or testing