3816020

Information

• Patent Grant
• 3816020

• References
• Source

• Patent Number

  3,816,020

• Date Filed

  Not available

• Date Issued

  Tuesday, June 11, 1974
  50 years ago

• CPC

  • F04D1/06 - Multi-stage pumps
  • F04D29/049 - Roller bearings
  • F04D29/061 - especially adapted for liquid pumps
  • F04D29/2211 - More than one set of flow passages
  • F04D29/588 - cooling or heating the machine

• US Classifications

  • 415 - Rotary kinetic fluid motors or pumps