ClassID:

201190

H01C7/02 - 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

Sub-classes:
Recent Application in this class:
#1
20260120924
2026-04-30

ARC QUENCHING AND FLAME RETARDING COATING FOR ELECTRONIC DEVICES

#2
20260066155
2026-03-05

MONOLITHIC FUNCTIONAL CERAMIC ELEMENT AND METHOD FOR PRODUCING A CONTACT FOR A FUNCTIONAL CERAMIC

#3
20260031257
2026-01-29

PROTECTION DEVICE INCLUDING PTC AND THERMAL DEVICES

#4
20260031256
2026-01-29

SMALL PACKAGE PTC DEVICE

#5
20250364809
2025-11-27

SYSTEMS AND METHODS OF LOAD PRE-CHARGING

#6
20250336576
2025-10-30

THREE-DIMENSIONAL ELECTRODES FOR REFLOWABLE PTC DEVICE

#7
20250185124
2025-06-05

INFRARED HEATER

#8
20250046497
2025-02-06

THERMAL RESISTOR AND MANUFACTURING METHOD THEREOF

#9
20250037944
2025-01-30

ULTRACAPACITOR GENERATOR START MODULE

#10
20240387079
2024-11-21

OVER-CURRENT PROTECTION DEVICE

#11
20240328870
2024-10-03

TEMPERATURE SENSOR

#12
20240328342
2024-10-03

DUAL-PURPOSE HEATER AND FLUID FLOW MEASUREMENT SYSTEM

#13
20240304362
2024-09-12

A COMPOSITE THERMISTOR ELEMENT

#14
20240280042
2024-08-22

Virtual sensing system

#15
20240243029
2024-07-18

Semiconductor device structures and methods of manufacturing the same

#16
20240127987
2024-04-18

Integrated over-current protection device

#17
20240113545
2024-04-04

MODULAR BATTERY SYSTEM AND A METHOD OF OPERATING THEREOF

#18
20240055160
2024-02-15

ELECTRICALLY CONDUCTIVE PTC INK WITH DOUBLE SWITCHING TEMPERATURES

#19
20240013984
2024-01-11

Ultracapacitor generator start module

#20
20230245804
2023-08-03

THERMAL PROTECTION DEVICE TO WITHSTAND HIGH VOLTAGE

#21
20230195148
2023-06-22

Electrical assembly

#22
20230059814
2023-02-23

Composite circuit protection device

#23
20230040761
2023-02-09

Temperature sensor and method of manufacturing temperature sensor

#24
20230039950
2023-02-09

PTC starter

#25
20230003161
2023-01-05

Virtual sensing system

#26
20220375658
2022-11-24

Over-current protection device

#27
20220310469
2022-09-29

Semiconductor device structures and methods of manufacturing the same

#28
20220293384
2022-09-15

PTC device with integrated fuses for high current operation

#29
20220240351
2022-07-28

Self-regulating electric heating film and preparation method and use thereof

#30
20220199295
2022-06-23

Electrically conductive PTC ink with double switching temperatures

#31
20220044850
2022-02-10

Process for manufacturing a PTC heating element and PTC heating element

#32
20210304957
2021-09-30

Wound component

#33
20210288491
2021-09-16

Surge protection apparatus having embedded fuse

#34
20210263258
2021-08-26

PPTC heater and material having stable power and self-limiting behavior

#35
20210210257
2021-07-08

Ceramic multi-layer component and method for producing a ceramic multi-layer component

#36
20210202138
2021-07-01

PTC device including polyswitch

#37
20210156538
2021-05-27

Vehicle luminaire and vehicle lamp

#38
20210143251
2021-05-13

Crystal, crystalline oxide semiconductor, semiconductor film containing crystalline oxide semiconductor, semiconductor device including crystal and/or semiconductor film and system including semiconductor device

#39
20210134496
2021-05-06

Electrically conductive PTC ink with double switching temperatures and applications thereof in flexible double-switching heaters

#40
20210066016
2021-03-04

Connector with integrated thermal cutoff device for battery pack

#41
20210065939
2021-03-04

DUAL-PORT ELECTRONIC ASSEMBLY

#42
20210013711
2021-01-14

Over-current protection device

#43
20200403402
2020-12-24

Overvoltage protective device for lightning protection

#44
20200370461
2020-11-26

Virtual sensing system

#45
20200350103
2020-11-05

PTC thermistor switch for electric motors

#46
20200338961
2020-10-29

PTC heater

#47
20200284180
2020-09-10

Heater element having targeted decreasing temperature resistance characteristics

#48
20200284179
2020-09-10

Dual-purpose heater and fluid flow measurement system

#49
20200271037
2020-08-27

System and method for axial zoning of heating power

#50
20200236738
2020-07-23

Personal consumer product with thermal control circuitry

#51
20200209305
2020-07-02

Electric component with fail safe element

#52
20200194208
2020-06-18

Method of forming a fuse device

#53
20200163163
2020-05-21

Heat generating apparatus

#54
20200137854
2020-04-30

LED lamp circuit

#55
20200119547
2020-04-16

Cable with over-temperature protection

#56
20200109654
2020-04-09

Virtual sensing system

#57
20200035387
2020-01-30

Varistor module

#58
20200035385
2020-01-30

HEATING AND/OR COOLING DEVICE FOR A SOLID OR FOR A FLUID STREAM

#59
20200029394
2020-01-23

Heating cable

#60
20200011742
2020-01-09

Current generating circuits capable of generating currents with different temperature coefficients and flexibly adjusting slope of the temperature coefficient

#61
20200006935
2020-01-02

DC power system breaker for transportation vehicle

#62
20190387582
2019-12-19

PTC HEATING MODULE

#63
20190387581
2019-12-19

PTC HEATING MODULE FOR HEATING A FLUID

#64
20190355497
2019-11-21

Method for determining the operating state of a PTC thermistor element

#65
20190318852
2019-10-17

Electrically conductive PTC ink with double switching temperatures and applications thereof in flexible double-switching heaters

#66
20190311823
2019-10-10

PTC THERMISTOR MODULE

#67
20190273373
2019-09-05

Protection circuit involving positive temperature coefficient device

#68
20190222100
2019-07-18

Protection device and system using negative capacitance component

#69
20190221954
2019-07-18

Externally-attached PTC element and tubular battery

#70
20190208582
2019-07-04

Voltage-leveling heater cable

#71
20190131039
2019-05-02

POSITIVE TEMPERATURE COEFFICIENT DEVICES WITH OXYGEN BARRIER PACKAGES

#72
20190080825
2019-03-14

PPTC material with mixed conductive filler composition

#73
20190069349
2019-02-28

ELECTRICAL HEATER

#74
20190053330
2019-02-14

Exhaust system with actuated flow bypass and thermal storage device

#75
20190049316
2019-02-14

Resistor and temperature sensor

#76
20180316249
2018-11-01

External unit and motor

#77
20180315576
2018-11-01

Fuse device having phase change material

#78
20180268969
2018-09-20

REFLOW SOLDERABLE POSITIVE TEMPERATURE COEFFICIENT CIRCUIT PROTECTION DEVICE

#79
20180262187
2018-09-13

Instrumentation device having pulse output function

#80
20180257456
2018-09-13

Vehicle radiation heater

#81
20180208157
2018-07-26

Wiper blade comprising a heating electrical circuit and a PTC fuse

#82
20180186964
2018-07-05

Conductive polymer composition, conductive polymer sheet, electrical device, and their preparation methods

#83
20180166817
2018-06-14

Externally-attached PTC element and tubular battery

#84
20180164162
2018-06-14

Temperature sensor

#85
20180097352
2018-04-05

Protection device and circuit protection apparatus containing the same

#86
20180082769
2018-03-22

Protective Element

#87
20180040443
2018-02-08

Protective device

#88
20180026301
2018-01-25

ALL SOLID STATE BATTERY

#89
20170374710
2017-12-28

Personal consumer product with thermal control circuitry and methods thereof

#90
20170359857
2017-12-14

Heater element as sensor for temperature control in transient systems

#91
20170345533
2017-11-30

Structurally resilient positive temperature coefficient material and method for making same

#92
20170309970
2017-10-26

Method of manufacturing secondary battery electrode containing PTC material and electrode manufactured thereby

#93
20170279107
2017-09-28

ELECTRODE

#94
20170278600
2017-09-28

PTC DEVICE AND SECONDARY BATTERY HAVING SAME

#95
20170257909
2017-09-07

Heater element having targeted decreasing temperature resistance characteristics

#96
20170256104
2017-09-07

Virtual sensing system

#97
20170254465
2017-09-07

Fluid pipe device

#98
20170254250
2017-09-07

Heater-actuated flow bypass

#99
20170254249
2017-09-07

Susceptor for use in a fluid flow system

#100
20170254248
2017-09-07

System and method for axial zoning of heating power

#101
20170254242
2017-09-07

Dual-purpose heater and fluid flow measurement system

#102
20170244201
2017-08-24

Protection element

#103
20170158898
2017-06-08

Electrically conductive PTC ink with double switching temperatures and applications thereof in flexible double-switching heaters

#104
20170153148
2017-06-01

Substrate for a sensor assembly for a resistance thermometer, sensor assembly, resistance thermometer and method of producing such a substrate

#105
20170153147
2017-06-01

Sensor assembly for a resistance thermometer, resistance thermometer and method of producing a sensor assembly

#106
20170006741
2017-01-05

Electronic component and use thereof

#107
20160351333
2016-12-01

Electronic component

#108
20160329136
2016-11-10

PTC device

#109
20160163429
2016-06-09

Over-current protection device and protective circuit module containing the same

#110
20160155547
2016-06-02

Resistor circuit with temperature coefficient compensation

#111
20160118166
2016-04-28

PTC thermistor member

#112
20160105965
2016-04-14

Method for manufacturing a surface mount device

#113
20160105930
2016-04-14

Voltage-leveling heater cable

#114
20160105016
2016-04-14

Positive temperature coefficient circuit protection device

#115
20160086689
2016-03-24

Cable and method of manufacturing the same

#116
20160049784
2016-02-18

Circuit protection device

#117
20160027560
2016-01-28

PTC thermistor ceramic composition and PTC thermistor element

#118
20160005517
2016-01-07

Semiconductor ceramic composition and PTC thermistor

#119
20150325781
2015-11-12

Method for producing an electric component and electric component

#120
20150325369
2015-11-12

Ceramic electronic component and manufacturing method therefor

#121
20150245481
2015-08-27

Electric component assembly

#122
20150229118
2015-08-13

Protective device

#123
20150211940
2015-07-30

Thermistor device

#124
20150156820
2015-06-04

Electric heater

#125
20150155080
2015-06-04

Radial-leaded over-current protection device

#126
20150146334
2015-05-28

Over-current protection device and protective circuit board containing the same

#127
20150137050
2015-05-21

Metal-oxide sintered body for temperature sensor, and method for manufacturing same

#128
20150124366
2015-05-07

Anti-surge over-current protection device

#129
20150077214
2015-03-19

Composite resistors

#130
20150035641
2015-02-05

Protection device

#131
20150022311
2015-01-22

Protective device

#132
20140332260
2014-11-13

Method of manufacturing ceramic electronic component, ceramic electronic component, and wiring board

#133
20140293495
2014-10-02

PTC device

#134
20140204503
2014-07-24

Electrical device

#135
20140049357
2014-02-20

Over-current protection device

#136
20140035719
2014-02-06

Over-current protection device and method of making the same

#137
20140035718
2014-02-06

Over-current protection device

#138
20130200987
2013-08-08

Thermistor

#139
20130196182
2013-08-01

PTC Device and Secondary Battery Having the Same

#140
20130176655
2013-07-11

Over-current protection device

#141
20130176654
2013-07-11

Over-current protection device and battery protection circuit assembly containing the same

#142
20130128406
2013-05-23

Integrated thermistor and metallic element device and method

#143
20130082179
2013-04-04

Object detection device

#144
20130070381
2013-03-21

Over-current protection device

#145
20130063845
2013-03-14

Overvoltage protection equipment

#146
20130015943
2013-01-17

Surface-mount type overcurrent protection element

#147
20130009516
2013-01-10

CONDUCTIVE PASTE COMPOSITION FOR INTERNAL ELECTRODES AND MULTILAYER CERAMIC ELECTRONIC COMPONENT INCLUDING THE SAME

#148
20130002394
2013-01-03

BOLOMETER AND METHOD OF MANUFACTURING THE SAME

#149
20120248092
2012-10-04

LOW TEMPERATURE THERMISTOR PROCESS

#150
20120160552
2012-06-28

PTC device, protective circuit module including the same, and secondary battery including the protective circuit module

#151
20120120538
2012-05-17

Circuit Protection Device

#152
20120067867
2012-03-22

Polymer thick film encapsulant and enhanced stability PTC carbon system

#153
20120044041
2012-02-23

Conductive matrix power control system with biasing to cause tripping of the system

#154
20120026635
2012-02-02

PTC DEVICE, PTC DEVICE MANUFACTURING METHOD, AND ELECTRIC DEVICE PROVIDED WITH PTC DEVICE

#155
20120019348
2012-01-26

Method and apparatus for control of failed thermistor devices

#156
20120018205
2012-01-26

Method of manufacturing a ceramic electronic component

#157
20110305259
2011-12-15

Non-conducting zirconium dioxide

#158
20110273263
2011-11-10

Near zero TCR resistor configurations

#159
20110263781
2011-10-27

Polymer thick film encapsulant and enhanced stability PTC carbon system

#160
20110254652
2011-10-20

PTC-RESISTOR

#161
20110188166
2011-08-04

PTC Device and Electrical Apparatus Containing the Same

#162
20110183162
2011-07-28

Surface mountable PPTC device with integral weld plate

#163
20110163842
2011-07-07

Method for increasing the ESD pulse stability of an electrical component

#164
20110140827
2011-06-16

CIRCUIT PROTECTION DEVICE

#165
20110102127
2011-05-05

Film resistor with a constant temperature coefficient and production of a film resistor of this type

#166
20110051778
2011-03-03

Composite material for temperature measurement, temperature sensor comprising the composite material, and method for producing the composite material and the temperature sensor

#167
20110039369
2011-02-17

Process for producing semiconductive porcelain composition/electrode assembly

#168
20100328832
2010-12-30

Electrical Composite Element

#169
20100283114
2010-11-11

Chip-type semiconductor ceramic electronic component

#170
20100237981
2010-09-23

PTC device and process for manufacturing the same

#171
20100208406
2010-08-19

CIRCUIT PROTECTION DEVICE

#172
20100207718
2010-08-19

Electrical protective device

#173
20100189882
2010-07-29

MANUFACTURE OF VARISTORS WITH A PASSIVATION LAYER

#174
20100150204
2010-06-17

Process for manufacturing platinum resistance thermometer

#175
20100066481
2010-03-18

PTC thermistor

#176
20100044360
2010-02-25

Heat generating element and electric auxiliary heater for a motor vehicle with heat generating element

#177
20090283511
2009-11-19

Controllable electrothermal element of PTC thick film circuit

#178
20090251276
2009-10-08

Electrical assembly with PTC resistor elements

#179
20090237199
2009-09-24

Electrical assembly with PTC resistor elements

#180
20090179731
2009-07-16

Resistor arrangement

#181
20090179730
2009-07-16

Resistor element with PTC properties and high electrical and thermal conductivity

#182
20090174521
2009-07-09

Resistor arrangement and method for producing a resistor arrangement

#183
20090146774
2009-06-11

PTC-resistor

#184
20090122455
2009-05-14

PTC device, protective circuit module including the same, and secondary battery including the protective circuit module

#185
20090102599
2009-04-23

Duplex-attachment of ceramic disk PTC to substrates

#186
20090027821
2009-01-29

INTEGRATED THERMISTOR AND METALLIC ELEMENT DEVICE AND METHOD

#187
20090027158
2009-01-29

Stacked electronic part and method of manufacturing the same

#188
20080315983
2008-12-25

Safety Device For Preventing Propagation in Fracture of Ceramic Element

#189
20080253050
2008-10-16

Protective circuit board and overcurrent protection device thereof

#190
20080180210
2008-07-31

Positive temperature coefficient thermistor device

#191
20080179314
2008-07-31

Positive Temperature Heating Element with Heat Sinks

#192
20080116424
2008-05-22

Electrically conducting compositions

#193
20080006796
2008-01-10

ARTICLE AND ASSOCIATED METHOD

#194
20070290785
2007-12-20

Temperature Controlling Protective Device

#195
20070170831
2007-07-26

Ptc element and fluorescent lamp starter circuit

#196
20070151968
2007-07-05

PTC element

#197
20070057759
2007-03-15

PTC thermistor and method for protecting circuit

#198
20070046420
2007-03-01

PTC element

#199
20070045287
2007-03-01

Multilayer positive temperature coefficient device and method of making the same

#200
20070001801
2007-01-04

Starter relay

#201
20060289478
2006-12-28

Method for sorting positive temperature coefficient (PTC) elements

#202
20060289464
2006-12-28

Electric PCB heating component, electronic circuit board and heating method

#203
20060261922
2006-11-23

Over-current protection device and manufacturing method thereof

#204
20060244563
2006-11-02

Combined PTC device

#205
20060164202
2006-07-27

Resistor having uniform resistance and semiconductor device using the same

#206
20060152329
2006-07-13

Conductive polymer device and method of manufacturing same

#207
20060138123
2006-06-29

Flexible PTC heating element and method of manufacturing the heating element

#208
20060065653
2006-03-30

Electrical heating element

#209
20060056125
2006-03-16

Axial leaded over-current protection device

#210
20060002046
2006-01-05

Overcurrent protection circuit including auto-reset breaker and PTC resistor

#211
20050286195
2005-12-29

Overcurrent protection circuit including auto-reset breaker and PTC resistor

#212
20050236397
2005-10-27

Surface mountable PTC device

#213
20050200447
2005-09-15

Surface mountable PPTC device with integral weld plate

#214
20050173414
2005-08-11

Flexible PTC heating element and method of manufacturing the heating element

#215
20050144896
2005-07-07

Tube and method for bracing functional elements in the same

#216
20050140492
2005-06-30

Over-current protection device and manufacturing method thereof

#217
20050094347
2005-05-05

Over-current protection device and manufacturing method thereof

#218
20050057877
2005-03-17

Over-current protection device

#219
20050036257
2005-02-17

Over-current protection device

#220
17861725
2023-09-19

Ultracapacitor generator start module

#221
15623190
2018-09-25

Overcurrent protection device