4692

Information

• Patent Grant
• 4692

• References
• Source

• Patent Number

  4,692

• Date Filed

  Not available

• Date Issued

  Wednesday, August 12, 1846
  178 years ago

• CPC

  • F16K99/0001 - Micro-valves
  • G05D7/0635 - by action on throttling means
  • Y10T137/0318 - Processes
  • Y10T137/538 - Expansible chamber operated by valve actuator for draining riser
  • Y10T137/5403 - Removable valve with supplemental check valve
  • Y10T137/5497 - Protection against freezing
  • Y10T137/5509 - With disabling means
  • Y10T137/87169 - Supply and exhaust

• US Classifications

  • 137 - Fluid handling