3648469

Information

• Patent Grant
• 3648469

• References
• Source

• Patent Number

  3,648,469

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1972
  52 years ago

• CPC

  • F25B21/02 - using Peltier effect using Nernst-Ettinghausen effect
  • A47G9/1036 - with cooling or heating means
  • A61F7/00 - Heating or cooling appliances for medical or therapeutic treatment of the human body
  • A61F7/10 - Cooling bags
  • H01L35/00 - Thermo-electric devices comprising a junction of dissimilar materials
  • A61F2007/0075 - using a Peltier element
  • Y10S5/906 - with magnetic means

• US Classifications

  • 062 - Refrigeration
  • 005 - Beds
  • 165 - Heat exchange
  • 219 - Electric heating
  • 297 - Chairs and seats