3237608

Information

• Patent Grant
• 3237608

• References
• Source

• Patent Number

  3,237,608

• Date Filed

  Not available

• Date Issued

  Tuesday, March 1, 1966
  58 years ago

• CPC

  • F24H1/34 - with water chamber arranged adjacent to the combustion chamber or chambers
  • F24H1/0009 - of the reduced pressure or vacuum steam type
  • F24H1/205 - with furnace tubes
  • F24H1/22 - Water heaters other than continuous-flow or water storage heaters
  • F24H1/50 - incorporating domestic water tanks
  • F24H9/2035 - for heaters using fluid combustibles
  • G05D23/1925 - using a combination of auxiliary electric and non-electric power
  • G05D23/275 - with sensing element expanding, contracting, or fusing in response to changes of temperature

• US Classifications

  • 122 - Liquid heaters and vaporizers
  • 165 - Heat exchange
  • 237 - Heating systems
  • 392 - Electric resistance heating devices