3443911

Information

• Patent Grant
• 3443911

• References
• Source

• Patent Number

  3,443,911

• Date Filed

  Not available

• Date Issued

  Tuesday, May 13, 1969
  55 years ago

• CPC

  • F01N13/1816 - the pipe sections being joined together by flexible tubular elements only
  • E21F1/003 - Ventilation of traffic tunnels
  • F01N3/2006 - Periodically heating or cooling catalytic reactors
  • F01N3/30 - Arrangements for supply of additional air
  • F01N13/009 - having two or more separate purifying devices arranged in series
  • F01N3/06 - for extinguishing sparks
  • F01N2450/10 - Fitting temporarily exhaust apparatus on exhaust conduit
  • F01N2450/26 - by bayonet fittings
  • F01N2470/30 - Tubes with restrictions, i.e. venturi or the like
  • Y02T10/26 - Thermal conditioning of exhaust after-treatment
  • Y10S55/30 - Exhaust treatment

• US Classifications

  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
  • 055 - Gas separation
  • 060 - Power plants