ClassID:

201196

H01C7/027 - 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 consisting of conducting or semi-conducting material dispersed in a non-conductive organic material

Recent Application in this class:
#1
20260155282
2026-06-04

OVER-CURRENT PROTECTION DEVICECTION DEVICE

#2
20250368836
2025-12-04

Polymer Thick Film Positive Temperature Coefficient Carbon Resistor Composition

#3
20250095888
2025-03-20

POSITIVE TEMPERATURE COEFFICIENT OVER-CURRENT PROTECTION DEVICE

#4
20250030236
2025-01-23

OVER-CURRENT PROTECTION DEVICE

#5
20250029756
2025-01-23

OVER-CURRENT PROTECTION DEVICE

#6
20250029755
2025-01-23

OVER-CURRENT PROTECTION DEVICE

#7
20250014789
2025-01-09

CHIP-TYPE ELECTRONIC COMPONENT

#8
20240177893
2024-05-30

OVER-CURRENT PROTECTION DEVICE

#9
20240055160
2024-02-15

ELECTRICALLY CONDUCTIVE PTC INK WITH DOUBLE SWITCHING TEMPERATURES

#10
20230395288
2023-12-07

Over-current protection device

#11
20230377780
2023-11-23

Hybrid circuit protection device

#12
20230361559
2023-11-09

Over-current protection device

#13
20230223174
2023-07-13

POSITIVE TEMPERATURE COEFFICIENT COMPONENT

#14
20230207160
2023-06-29

CHIP CERAMIC SEMICONDUCTOR ELECTRONIC COMPONENT

#15
20230092379
2023-03-23

PPTC HEATER AND MATERIAL HAVING STABLE POWER AND SELF-LIMITING BEHAVIOR

#16
20230037262
2023-02-02

Circuit protection device with PTC device and backup fuse

#17
20220375660
2022-11-24

PPTC actuator heater

#18
20220262549
2022-08-18

PPTC actuator heater

#19
20220208420
2022-06-30

PPTC tank heater

#20
20220199295
2022-06-23

Electrically conductive PTC ink with double switching temperatures

#21
20220013259
2022-01-13

PPTC composition and device having low thermal derating and low process jump

#22
20210381905
2021-12-09

Temperature sensor element

#23
20210313097
2021-10-07

POLYMERIC POSITIVE TEMPERATURE COEFFICIENT (PPTC) BODIES AND DEVICES MADE THEREFROM

#24
20210134496
2021-05-06

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

#25
20210118596
2021-04-22

PTC-effect composite material, corresponding production method, and heater device including such material

#26
20210082603
2021-03-18

PPTC material with low percolation threshold for conductive filler

#27
20200328015
2020-10-15

Surface mounted fuse device having positive temperature coefficient body

#28
20200303095
2020-09-24

PTC circuit protection device

#29
20200194208
2020-06-18

Method of forming a fuse device

#30
20200144000
2020-05-07

Switch and method for manufacturing the switch

#31
20200036009
2020-01-30

Electrode for solid-state batteries and solid-state battery

#32
20190311825
2019-10-10

PTC thermistor element

#33
20190306970
2019-10-03

Circuit protection assembly

#34
20190242758
2019-08-08

Temperature sensors

#35
20190140328
2019-05-09

Electrode plate, electrochemical device and safety coating

#36
20190139684
2019-05-09

PTC circuit protection device and method of making the same

#37
20190119464
2019-04-25

PPTC composition and device having thermal degradation resistance

#38
20190080825
2019-03-14

PPTC material with mixed conductive filler composition

#39
20190080824
2019-03-14

PPTC material with low percolation threshold for conductive filler

#40
20190072436
2019-03-07

Temperature sensing tape

#41
20180315575
2018-11-01

Hybrid device structures including negative temperature coefficient/positive temperature coefficient device

#42
20180273822
2018-09-27

Thermal switch based on polymer compound

#43
20180164162
2018-06-14

Temperature sensor

#44
20180094434
2018-04-05

PRINTED HEATER ELEMENTS INTEGRATED IN CONSTRUCTION MATERIALS

#45
20180061534
2018-03-01

ADHESIVE POSITIVE TEMPERATURE COEFFICIENT MATERIAL

#46
20170345533
2017-11-30

Structurally resilient positive temperature coefficient material and method for making same

#47
20170309970
2017-10-26

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

#48
20170309379
2017-10-26

PPTC OVER-CURRENT PROTECTION DEVICE

#49
20170278600
2017-09-28

PTC DEVICE AND SECONDARY BATTERY HAVING SAME

#50
20170257910
2017-09-07

POSITIVE TEMPERATURE COEFFICIENT COMPOSITION

#51
20170176262
2017-06-22

Resin composition for temperature sensor, element for temperature sensor, temperature sensor, and method for producing element for temperature sensor

#52
20170040092
2017-02-09

Semiconductor ceramic composition and PTC thermistor

#53
20170018339
2017-01-19

Over-current protection device

#54
20160260529
2016-09-08

Compound having exponential temperature dependent electrical resistivity, use of such compound in a self-regulating heating element, self-regulating heating element comprising such compound, and method of forming such compound

#55
20160064123
2016-03-03

Temperature independent resistor

#56
20160042845
2016-02-11

Electrical device

#57
20160035468
2016-02-04

Positive temperature coefficient device

#58
20150221452
2015-08-06

Current collector, electrode, secondary battery and capacitor

#59
20150155080
2015-06-04

Radial-leaded over-current protection device

#60
20150132568
2015-05-14

POLYMERIC POSITIVE TEMPERATURE COEFFICIENT THERMISTOR

#61
20150097650
2015-04-09

Semiconductor ceramic composition and PTC thermistor

#62
20150035641
2015-02-05

Protection device

#63
20140306605
2014-10-16

PTC composition and resistive device and LED illumination apparatus using the same

#64
20140306163
2014-10-16

Polyarylatecarbonate intermediate transfer members

#65
20140218163
2014-08-07

Polymeric PTC thermistors

#66
20140146432
2014-05-29

Surface mountable over-current protection device

#67
20140091896
2014-04-03

Surface mountable over-current protection device

#68
20140061183
2014-03-06

Electrical heating device

#69
20130200988
2013-08-08

Over-current protection device

#70
20130070380
2013-03-21

Over-current protection device

#71
20130021134
2013-01-24

PTC material composition for making a PTC circuit protection device

#72
20130002395
2013-01-03

PTC Resistor

#73
20120175362
2012-07-12

Positive temperature coefficient heating elements and their manufacturing

#74
20110297891
2011-12-08

Positive temperature coefficient materials with reduced negative temperature coefficient effect

#75
20110279220
2011-11-17

PTC device

#76
20110273264
2011-11-10

Laminated surface mounting type thermistor and manufacturing method thereof

#77
20110241818
2011-10-06

Over-current protection device

#78
20110186338
2011-08-04

POLYMERIC POSITIVE TEMPERATURE COEFFICIENT LIQUID COMPOSITION

#79
20110156859
2011-06-30

Over-current protection device

#80
20110084060
2011-04-14

Method for manufacturing PTC device and system for preventing overheating of planar heaters using the same

#81
20100320191
2010-12-23

Heating element

#82
20100299919
2010-12-02

Method for making a positive temperature coefficient device

#83
20100182121
2010-07-22

Over-current protection device and manufacturing method thereof

#84
20100170889
2010-07-08

Heated planar element and method for its attachment

#85
20100136315
2010-06-03

Method for Producing PTC Ink Composition, and PTC Ink Composition

#86
20100122730
2010-05-20

POWER-LOSS-INHIBITING CURRENT-COLLECTOR

#87
20100079234
2010-04-01

Thermistor and electrical device employed with same

#88
20100038357
2010-02-18

PTC RESISTOR

#89
20100038356
2010-02-18

SHEET HEATING ELEMENT

#90
20100038025
2010-02-18

INTRINSICALLY HEATABLE HOT MELT ADHESIVE SHEET MATERIALS

#91
20100021683
2010-01-28

Flexible heated planar element

#92
20100013591
2010-01-21

Protection Device

#93
20090224865
2009-09-10

PTC device

#94
20090223035
2009-09-10

Process for producing PTC device

#95
20090206980
2009-08-20

THERMISTOR AND MANUFACTURING METHOD THEREOF

#96
20090085714
2009-04-02

THERMISTOR

#97
20090045908
2009-02-19

Polymer PTC element

#98
20080258861
2008-10-23

Switching resistor for an electric switching device

#99
20080187649
2008-08-07

Method of making electrical devices having an oxygen barrier coating

#100
20080186128
2008-08-07

Polymeric positive temperature coefficient thermistor and process for preparing the same

#101
20080116424
2008-05-22

Electrically conducting compositions

#102
20080100979
2008-05-01

High voltage over-current protection device

#103
20080074232
2008-03-27

Conductive positive temperature coefficient polymer composition and circuit protection device made therefrom

#104
20080006796
2008-01-10

ARTICLE AND ASSOCIATED METHOD

#105
20070241856
2007-10-18

Self-recovering current limiting fuse using dielectrophoretic force

#106
20070229213
2007-10-04

PTC element

#107
20070090809
2007-04-26

Polymer PTC device

#108
20070069848
2007-03-29

PTC element and production process thereof

#109
20070057760
2007-03-15

Over-current protection device and manufacturing method thereof

#110
20070046420
2007-03-01

PTC element

#111
20070035378
2007-02-15

Over-current protection device

#112
20070029309
2007-02-08

Intrinsically heatable pressure-sensitive adhesive planar structures

#113
20070025040
2007-02-01

High voltage over-current protection device and manufacturing method thereof

#114
20070024413
2007-02-01

Organic positive temperature coefficient thermistor

#115
20070024412
2007-02-01

Over-current protection device

#116
20060250534
2006-11-09

Thin planar switches and their applications

#117
20060250212
2006-11-09

Current control device

#118
20060231807
2006-10-19

PTC composition, method of making the same, and thermistor body obtained therefrom

#119
20060222803
2006-10-05

Electrically heatable pressure-sensitive adhesive compound

#120
20060202794
2006-09-14

Resettable over-current protection device and method for producing the same

#121
20060202791
2006-09-14

Resettable over-current protection device and method for producing the like

#122
20060197646
2006-09-07

Temperature protection device

#123
20060176675
2006-08-10

Multi-layer polymeric electronic device and method of manufacturing same

#124
20060157891
2006-07-20

Insert injection-compression molding of polymeric PTC electrical devices

#125
20060152331
2006-07-13

PTC current limiting device having flashover prevention structure

#126
20060152330
2006-07-13

PTC current limiting device having molding part made of insulating material

#127
20060152329
2006-07-13

Conductive polymer device and method of manufacturing same

#128
20060139141
2006-06-29

Thermistor

#129
20060138123
2006-06-29

Flexible PTC heating element and method of manufacturing the heating element

#130
20060132277
2006-06-22

Electrical devices and process for making such devices

#131
20060114097
2006-06-01

PTC circuit protector having parallel areas of effective resistance

#132
20060109076
2006-05-25

Resettable chip-like over-current protection devices

#133
20060108566
2006-05-25

Conductive composition exhibiting PTC behavior and over-current protection device using the same

#134
20060097231
2006-05-11

Organic positive temperature coefficient thermistor device

#135
20060081821
2006-04-20

Positive temperature coefficient (PTC) polymer composition and resettable fuse made therefrom

#136
20060075629
2006-04-13

Method of fabricating a current control device

#137
20060051588
2006-03-09

Electrical devices having an oxygen barrier coating

#138
20060049385
2006-03-09

Ptc material and method for producing same, and circuit protection part using such ptc material and method for manufacturing same

#139
20060022790
2006-02-02

Resin composition for forming thermistor body, and thermistor

#140
20050237148
2005-10-27

Organic positive temperature coefficient thermistor

#141
20050200446
2005-09-15

Organic PTC thermistor and production

#142
20050173414
2005-08-11

Flexible PTC heating element and method of manufacturing the heating element

#143
20050161643
2005-07-28

Copper particle clusters and powder containing the same suitable as conductive filler of conductive paste

#144
20050155985
2005-07-21

Electrically heated vapour dispensing apparatus

#145
20050128046
2005-06-16

Over-current protection device

#146
20050116808
2005-06-02

PTC thermistor

#147
20050063122
2005-03-24

Over-current protection device and conductive polymer composition thereof

#148
20050047041
2005-03-03

Over-current protection device

#149
20050030689
2005-02-10

Circuit protection device

#150
20050030150
2005-02-10

Current control device

#151
20050024180
2005-02-03

Organic positive temperature coefficient thermistor and manufacturing method therefor

#152
20050023240
2005-02-03

Method for manufacturing resettable fuses and the resettable fuse

#153
20050001207
2005-01-06

Polymeric PTC device capable of returning to its initial resistance after overcurrent protection

#154
16844585
2021-01-12

PTC device

#155
15850519
2018-12-04

PTC circuit protection device

#156
15711546
2018-06-12

Over-current protection device

#157
14831377
2016-09-27

Over-current protection device