2127889

Information

• Patent Grant
• 2127889

• References
• Source

• Patent Number

  2,127,889

• Date Filed

  Not available

• Date Issued

  Tuesday, August 23, 1938
  86 years ago

• CPC

  • G01J5/08 - Optical features
  • F23N1/002 - using electronic means
  • F23N5/082 - using electronic means
  • F27B3/28 - Arrangement of controlling, monitoring, alarm or the like devices
  • F27D21/02 - Observation or illuminating devices
  • G01J5/004 - by molten metals
  • G01J5/02 - Details
  • G01J5/0295 - Nulling devices or absolute detection
  • G01J5/0846 - using multiple detectors for performing different types of detection
  • F23N2029/16 - using two or more of the same types of flame sensor

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 266 - Metallurgical apparatus
  • 356 - Optics: measuring and testing
  • 374 - Thermal measuring and testing