3643438

Information

• Patent Grant
• 3643438

• References
• Source

• Patent Number

  3,643,438

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1972
  52 years ago

• CPC

  • F04F1/18 - the fluid medium being mixed with, or generated from the liquid to be pumped
  • B63H11/04 - by means of pumps
  • B63H11/09 - by means of pressure pulses applied to a column of liquid
  • B63H11/12 - the propulsive medium being steam or other gas

• US Classifications

  • 060 - Power plants
  • 239 - Fluid sprinkling, spraying, and diffusing
  • 440 - Marine propulsion