3648009

Information

• Patent Grant
• 3648009

• References
• Source

• Patent Number

  3,648,009

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1972
  53 years ago

• CPC

  • G01K1/146 - arrangements for moving thermometers to or from a measuring position
  • B23K26/032 - using optical means
  • B23K26/034 - Observing the temperature of the workpiece
  • B23K26/0342 - Observing magnetic fields related to the workpiece
  • G01N25/72 - Investigating presence of flaws

• US Classifications

  • 219 - Electric heating
  • 073 - Measuring and testing
  • 374 - Thermal measuring and testing