3843049

Information

• Patent Grant
• 3843049

• References
• Source

• Patent Number

  3,843,049

• Date Filed

  Not available

• Date Issued

  Tuesday, October 22, 1974
  50 years ago

• CPC

  • F23N5/143 - using electronic means
  • F23N5/10 - using thermocouples
  • F23N2027/22 - Pilot burners
  • F23N2035/16 - variable flow or proportional valves
  • F23N2035/20 - Membrane valves
  • Y10T307/469 - Condition responsive

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 251 - Valves and valve actuation
  • 307 - Electrical transmission or interconnection systems
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 361 - Electricity: electrical systems and devices