1546487

Information

• Patent Grant
• 1546487

• References
• Source

• Patent Number

  1,546,487

• Date Filed

  Not available

• Date Issued

  Tuesday, July 21, 1925
  99 years ago

• CPC

  • F25B41/062 - Expansion valves
  • F25B9/008 - the refrigerant being carbon dioxide
  • F25B2309/06 - Compression machines, plant or systems characterised by the refrigerant being carbon dioxide
  • F25B2341/063 - Feed forward expansion valves
  • Y10S261/37 - Modern pumps diaphragm
  • Y10T137/7782 - With manual or external control for line valve
  • Y10T137/7811 - Also through reactor surface

• US Classifications

  • 137 - Fluid handling
  • 251 - Valves and valve actuation
  • 261 - Gas and liquid contact apparatus