404512

Information

• Patent Grant
• 404512

• References
• Source

• Patent Number

  404,512

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1889
  137 years ago

• CPC

  • F28B1/02 - using water or other liquid as the cooling medium
  • Y10S165/206 - including coiled heat exchange tube

• US Classifications

  • 165 - Heat exchange
  • 138 - Pipes and tubular conduits