1700372

Information

• Patent Grant
• 1700372

• References
• Source

• Patent Number

  1,700,372

• Date Filed

  Not available

• Date Issued

  Tuesday, January 29, 1929
  95 years ago

• CPC

  • F04B39/10 - Adaptations or arrangements of distribution members
  • F04B39/1033 - annular disc valves
  • F04B39/1046 - Combination of in- and outlet valve
  • F04B39/1053 - the members being Hoerbigen valves
  • Y10T137/7838 - Plural
  • Y10T137/786 - Concentric ports
  • Y10T137/7864 - With guide
  • Y10T137/7922 - Spring biased

• US Classifications

  • 417 - Pumps
  • 137 - Fluid handling