2020847

Information

• Patent Grant
• 2020847

• References
• Source

• Patent Number

  2,020,847

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1935
  89 years ago

• CPC

  • G05D13/00 - Control of linear speed Control of angular speed Control of acceleration or deceleration
  • Y10T74/12 - Gyroscopes
  • Y10T74/22 - Miscellaneous
  • Y10T137/2822 - Auxiliary liquid trap seal
  • Y10T137/7762 - Fluid pressure type
  • Y10T137/7807 - Adjustable external lever

• US Classifications

  • 137 - Fluid handling
  • 074 - Machine element or mechanism
  • 091 - Motors: expansible chamber type
  • 092 - Expansible chamber devices
  • 236 - Automatic temperature and humidity regulation
  • 251 - Valves and valve actuation
  • 318 - Electricity: motive power systems