511252

Information

• Patent Grant
• 511252

• References
• Source

• Patent Number

  511,252

• Date Filed

  Not available

• Date Issued

  Tuesday, December 19, 1893
  131 years ago

• CPC

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

• US Classifications

  • 165 - Heat exchange
  • 062 - Refrigeration