3749185

Information

• Patent Grant
• 3749185

• References
• Source

• Patent Number

  3,749,185

• Date Filed

  Not available

• Date Issued

  Tuesday, July 31, 1973
  51 years ago

• CPC

  • E21B4/02 - Fluid rotary type drives
  • F03B13/02 - Adaptations for drilling wells
  • F03B15/10 - without retroactive action
  • F04C2/1073 - where one member is stationary while the other member rotates and orbits
  • Y02E10/226 - Other parts or details

• US Classifications

  • 175 - Boring or penetrating the earth
  • 060 - Power plants
  • 173 - Tool driving or impacting