3838569

Information

• Patent Grant
• 3838569

• References
• Source

• Patent Number

  3,838,569

• Date Filed

  Not available

• Date Issued

  Tuesday, October 1, 1974
  50 years ago

• CPC

  • F01N3/20 - specially adapted for catalytic conversion; Methods of operation or regulation of catalytic converters
  • F01N3/2013 - using electric or magnetic heating means
  • G05D23/27541 - using expansible solid
  • F01N2550/00 - Monitoring or diagnosing the deterioration of exhaust systems
  • Y02T10/26 - Thermal conditioning of exhaust after-treatment

• US Classifications

  • 060 - Power plants
  • 236 - Automatic temperature and humidity regulation
  • 337 - Electricity: electrothermally or thermally actuated switches
  • 340 - Communications: electrical
  • 361 - Electricity: electrical systems and devices
  • 374 - Thermal measuring and testing
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing