3620651

Information

• Patent Grant
• 3620651

• References
• Source

• Patent Number

  3,620,651

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1971
  53 years ago

• CPC

  • B63H11/06 - of reciprocating type
  • F04B43/021 - the plate-like flexible member is pressed against a wall by a number of elements, each having an alternating movement in a direction perpendicular to the plane of the plate-like flexible member and each having its own driving mechanism
  • F04B43/023 - double acting plate-like flexible member
  • F04B43/025 - two or more plate-like pumping members in parallel

• US Classifications

  • 417 - Pumps
  • 416 - Fluid reaction surfaces
  • 440 - Marine propulsion