1945973

Information

• Patent Grant
• 1945973

• References
• Source

• Patent Number

  1,945,973

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1934
  90 years ago

• CPC

  • F01B25/00 - Regulating, controlling, or safety means
  • F01B2250/009 - Condensor pumps for steam engines
  • Y10S159/16 - Vacuum
  • Y10S165/107 - Hydraulically independent heat exchange tubes disposed in housing

• US Classifications

  • 165 - Heat exchange
  • 062 - Refrigeration
  • 159 - Concentrating evaporators
  • 417 - Pumps