1906868

Information

• Patent Grant
• 1906868

• References
• Source

• Patent Number

  1,906,868

• Date Filed

  Not available

• Date Issued

  Tuesday, May 2, 1933
  91 years ago

• CPC

  • F23N1/087 - using mechanical means
  • F23N5/047 - using mechanical means
  • F23N5/04 - using bimetallic elements
  • F23N2025/18 - feedwater temperature
  • F23N2029/02 - Pilot flame sensors
  • F23N2035/12 - Fuel valves
  • F23N2035/18 - Groups of two or more valves
  • F23N2041/04 - Heating water

• US Classifications

  • 236 - Automatic temperature and humidity regulation