3689199

Information

• Patent Grant
• 3689199

• References
• Source

• Patent Number

  3,689,199

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1972
  52 years ago

• CPC

  • F04B27/0536 - with two or more series radial piston-cylinder units
  • F04B9/02 - the means being mechanical
  • F04B27/005 - with two cylinders
  • F04B39/0005 - adaptations of pistons
  • F04B39/06 - Cooling Heating Prevention of freezing
  • F04B39/1033 - annular disc valves
  • F04B41/06 - Combinations of two or more pumps
  • F04B49/022 - by means of pressure

• US Classifications

  • 417 - Pumps
  • 092 - Expansible chamber devices