417136

Information

• Patent Grant
• 417136

• References
• Source

• Patent Number

  417,136

• Date Filed

  Not available

• Date Issued

  Tuesday, December 10, 1889
  135 years ago

• CPC

  • F25B41/062 - Expansion valves
  • G05D7/0126 - the sensing element being a piston or plunger associated with one or more springs
  • Y10T137/4329 - Separable
  • Y10T137/7613 - Threaded into valve casing
  • Y10T137/7822 - Reactor surface closes chamber
  • Y10T137/86759 - Reciprocating
  • Y10T137/86767 - Spool
  • Y10T137/87812 - Pivoted valve or deflector

• US Classifications

  • 137 - Fluid handling