Thermometers specially adapted for specific purposes

Filing statistics

IPC G01K 13/00 belongs to the parent subclass G01K, which recorded 118,108 patent applications worldwide between 2013 and 2023. Annual filings grew from 5,775 in 2013 to 14,309 in 2023 (+148%), peaking at 17,527 applications in 2020. The most active applicants in class G01 are SGCC(STATE GRID CORPORATION OF CHINA) (41,447 applications), CHINESE ACADEMY OF SCIENCES (32,952 applications) and ROBERT BOSCH (16,470 applications).

Source: EPO PATSTAT, worldwide filings

Additional Content

Determining when the hardening temperature has been reached by measurement of magnetic or electrical properties in the treatment of metals or alloys Arrangements for detecting or measuring liquid temperature in washing machines, washer-dryers or laundry dryers Arrangements for detecting or measuring temperature of the drying air in washer-dryers or laundry dryers Measuring temperature in boreholes or wells Sensors specially adapted for exhaust gas recirculation systems, for determining temperature Devices for sensing temperature or actuated thereby structurally associated with dynamo-electric machines In arrangements for regulating or controlling electric motors, appropriate for both AC and DC, determining the temperature of the motor or of the drive