1920827

Information

• Patent Grant
• 1920827

• References
• Source

• Patent Number

  1,920,827

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1933
  91 years ago

• CPC

  • G05D23/185 - with auxiliary non-electric power
  • G05D23/1856 - with sensing element responsive to pressure or volume change in a confined fluid
  • Y10T137/2322 - Jet control type
  • Y10T137/2822 - Auxiliary liquid trap seal

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 137 - Fluid handling