1640891

Information

• Patent Grant
• 1640891

• References
• Source

• Patent Number

  1,640,891

• Date Filed

  Not available

• Date Issued

  Tuesday, August 30, 1927
  97 years ago

• CPC

  • B63H9/02 - using Magnus effect
  • B63H25/40 - using Magnus effect
  • B63B2039/066 - the lift generating devices using the Magnus effect
  • B63H2001/005 - using Magnus effect
  • Y02T70/58 - Propulsion by direct use of wind
  • Y10S415/907 - Vertical runner axis

• US Classifications

  • 415 - Rotary kinetic fluid motors or pumps
  • 416 - Fluid reaction surfaces