201785

Information

• Patent Grant
• 201785

• References
• Source

• Patent Number

  201,785

• Date Filed

  Not available

• Date Issued

  Tuesday, March 26, 1878
  147 years ago

• CPC

  • F28D11/02 - the movement being rotary
  • Y10S165/141 - Concentric flow confining structures or chambers

• US Classifications

  • 165 - Heat exchange
  • 034 - Drying and gas or vapor contact with solids