1450023

Information

• Patent Grant
• 1450023

• References
• Source

• Patent Number

  1,450,023

• Date Filed

  Not available

• Date Issued

  Tuesday, March 27, 1923
  101 years ago

• CPC

  • G05D21/02 - characterised by the use of electric means
  • Y10S99/11 - Conductivity control
  • Y10S423/05 - Automatic, including computer, control
  • Y10T137/034 - Controlled by conductivity of mixture
  • Y10T137/0363 - For producing proportionate flow
  • Y10T137/2504 - By specific gravity
  • Y10T137/2509 - By optical or chemical property
  • Y10T137/6579 - Circulating fluid in heat exchange relationship
  • Y10T137/7036 - Jacketed
  • Y10T137/8158 - With indicator, register, recorder, alarm or inspection means
  • Y10T137/87676 - With flow control
  • Y10T436/12 - Condition responsive control

• US Classifications

  • 137 - Fluid handling
  • 073 - Measuring and testing
  • 099 - Foods and beverages: apparatus
  • 159 - Concentrating evaporators
  • 236 - Automatic temperature and humidity regulation
  • 324 - Electricity: measuring and testing
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
  • 423 - Chemistry of inorganic compounds
  • 436 - Chemistry: analytical and immunological testing