H01C7/023 - CPC Classification Index

ClassID:

201193 ⎘

H01C7/023 - CPC Classification

Classification description:

Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient mainly consisting of non-metallic substances containing oxides or oxidic compounds, e.g. ferrites

Sub-classes:

H01C7/025 » {Perowskites, e.g. titanates} 63
H01C7/026 » {Vanadium oxides or oxidic compounds, e.g. VOx} 3

Recent Application in this class:

20250087391

TEMPERATURE SENSOR ELEMENT AND TEMPERATURE SENSOR

20240387080

OVER-CURRENT PROTECTION DEVICE

20240170242

HIGH HOLD CURRENT AND HIGH VOLTAGE ENDURANCE PPTC MATERIAL, DEVICE, AND METHOD OF FABRICATION

20210352770

PTC Heating Assembly and Electric Heating Device Comprising the Same

20190035520

Chip resistor and method for producing the same

20190013121

MULTILAYER BEAD AND BOARD HAVING THE SAME

20180108460

Thick film resistor and production method for same

20180082770

Ceramic material and resistive element

20170011825

Thick film resistor and production method for same

20150380133

Negative differential resistance device

20150371742

Thermistor material and method of preparing the same

20150036723

Metal nitride material for thermistor, method for producing same, and film type thermistor sensor

20150028992

Chip thermistor and method of manufacturing same

20140197156

SEMICONDUCTOR PORCELAIN COMPOSITION, POSITIVE TEMPERATURE COEFFICIENT ELEMENT, AND HEAT-GENERATING MODULE

20120248092

LOW TEMPERATURE THERMISTOR PROCESS

20110062147

SELF-REGULATING ELECTRICAL RESISTANCE HEATING ELEMENT

20110039369

Process for producing semiconductive porcelain composition/electrode assembly