3901438

Information

• Patent Grant
• 3901438

• References
• Source

• Patent Number

  3,901,438

• Date Filed

  Not available

• Date Issued

  Tuesday, August 26, 1975
  49 years ago

• CPC

  • F24D19/0002 - Means for connecting central heating radiators to circulation pipes
  • F24D19/0004 - In a one pipe system
  • F24D19/0007 - Comprising regulation means
  • F24D19/0009 - In a two pipe system
  • F24D19/0014 - Connection means adaptable for one and two pipe systems
  • F24F11/06 - solely for controlling the supply of heating or cooling fluids for secondary treatment
  • G05D23/024 - the sensing element being of the rod type, tube type, or of a similar type
  • G05D23/08 - with bimetallic element
  • G05D23/132 - with temperature sensing element

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 165 - Heat exchange
  • 251 - Valves and valve actuation