Patents-Review.com
ClassID:

201191 ⎘

H01C7/021 - 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 formed as one or more layers or coatings

Recent Application in this class:
#1
20260066156
2026-03-05

CIRCUIT PROTECTION DEVICE

 #2
20250342989
2025-11-06

OVER-CURRENT PROTECTION DEVICE

 #3
20250183655
2025-06-05

RAPID REACTION PTC CIRCUIT PROTECTION DEVICE

 #4
20250140631
2025-05-01

Component holder with a temperature-control function

 #5
20250140452
2025-05-01

OVER-CURRENT PROTECTION DEVICE

 #6
20250095887
2025-03-20

OVER-CURRENT PROTECTION DEVICE

 #7
20250087391
2025-03-13

TEMPERATURE SENSOR ELEMENT AND TEMPERATURE SENSOR

 #8
20250029756
2025-01-23

OVER-CURRENT PROTECTION DEVICE

 #9
20250014788
2025-01-09

SELF-LIMITING HEATER

 #10
20250006408
2025-01-02

THERMISTOR INTEGRATED WITH A BIAS RESISTOR

 #11
20240387080
2024-11-21

OVER-CURRENT PROTECTION DEVICE

 #12
20240312678
2024-09-19

POSITIVE TEMPERATURE COEFFICIENT CERAMIC THERMISTOR ELEMENT HAVING STRONG REDUCING ATMOSPHERE RESISTANCE AND PREPARATION METHOD THEREFOR

 #13
20240282489
2024-08-22

CHIP ELECTRONIC COMPONENT

 #14
20240145133
2024-05-02

OVER-CURRENT PROTECTION DEVICE

 #15
20240145132
2024-05-02

OVER-CURRENT PROTECTION DEVICE

 #16
20240127989
2024-04-18

OVER-CURRENT PROTECTION DEVICE

 #17
20240127988
2024-04-18

OVER-CURRENT PROTECTION DEVICE

 #18
20240096524
2024-03-21

ELECTRONIC COMPONENT

 #19
20240071656
2024-02-29

CIRCUIT PROTECTION DEVICE

 #20
20230395288
2023-12-07

Over-current protection device

 #21
20230395287
2023-12-07

OVER-CURRENT PROTECTION DEVICE

 #22
20230343493
2023-10-26

MULTI-LAYER ELECTRICAL DEVICE

 #23
20230245802
2023-08-03

SURFACE-MOUNTED POLYMER PCT OVERCURRENT PROTECTION ELEMENT HAVING SMALL PACKAGE SIZE

 #24
20230223174
2023-07-13

POSITIVE TEMPERATURE COEFFICIENT COMPONENT

 #25
20230207162
2023-06-29

Semiconductor resistance device

 #26
20230162895
2023-05-25

METHOD FOR CONFECTIONING RESISTORS, RESISTOR, AND HEATING DEVICE

 #27
20230092379
2023-03-23

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

 #28
20220399716
2022-12-15

Over-current protection device

 #29
20220399142
2022-12-15

Radial-leaded over-current protection device

 #30
20220399141
2022-12-15

Surface-mountable over-current protection device

 #31
20220375659
2022-11-24

PTC HEATING ELEMENT

 #32
20220364937
2022-11-17

Electroconductive film and temperature sensor film

 #33
20220307918
2022-09-29

Sensor device

 #34
20220013259
2022-01-13

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

 #35
20210352770
2021-11-11

PTC Heating Assembly and Electric Heating Device Comprising the Same

 #36
20210305807
2021-09-30

Composite circuit protection device

 #37
20210265085
2021-08-26

Self-limiting heater

 #38
20210241945
2021-08-05

PTC thermistor module for a temperature control device

 #39
20200328015
2020-10-15

Surface mounted fuse device having positive temperature coefficient body

 #40
20200286653
2020-09-10

PTC heating element and an electric heating device

 #41
20200286652
2020-09-10

PTC heating element and an electric heating device

 #42
20200203944
2020-06-25

Over-current protection device

 #43
20200105443
2020-04-02

PTC device

 #44
20200036009
2020-01-30

Electrode for solid-state batteries and solid-state battery

 #45
20190311825
2019-10-10

PTC thermistor element

 #46
20190311824
2019-10-10

PTC thermistor module

 #47
20190204251
2019-07-04

Sensor device

 #48
20190140328
2019-05-09

Electrode plate, electrochemical device and safety coating

 #49
20190049316
2019-02-14

Resistor and temperature sensor

 #50
20180315575
2018-11-01

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

 #51
20180261362
2018-09-13

REFLOW SOLDERABLE POSITIVE TEMPERATURE COEFFICIENT CIRCUIT PROTECTION DEVICE

 #52
20180106687
2018-04-19

Platinum temperature sensor element

 #53
20180106651
2018-04-19

Platinum temperature sensor element

 #54
20180094434
2018-04-05

PRINTED HEATER ELEMENTS INTEGRATED IN CONSTRUCTION MATERIALS

 #55
20180047485
2018-02-15

Flexible positive temperature coefficient device with battery management system

 #56
20180033527
2018-02-01

Surface-mountable over-current protection device

 #57
20170309379
2017-10-26

PPTC OVER-CURRENT PROTECTION DEVICE

 #58
20170290164
2017-10-05

Electrical component, component arrangement, and a method for producing an electrical component and component arrangement

 #59
20170098495
2017-04-06

Conductive polymer electronic devices with surface mountable configuration and methods for manufacturing same

 #60
20170054243
2017-02-23

Electrical power contact with circuit protection

 #61
20170018339
2017-01-19

Over-current protection device

 #62
20170011826
2017-01-12

Thin-film resistor and method for producing the same

 #63
20160351333
2016-12-01

Electronic component

 #64
20160268585
2016-09-15

Protection element and rechargeable battery including the same

 #65
20160233667
2016-08-11

Over-current protection device

 #66
20160163429
2016-06-09

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

 #67
20160118166
2016-04-28

PTC thermistor member

 #68
20160093414
2016-03-31

PTC composition and over-current protection device containing the same

 #69
20160090661
2016-03-31

Ceramic electronic component and manufacturing method therefor

 #70
20160064124
2016-03-03

Electronic component

 #71
20160064123
2016-03-03

Temperature independent resistor

 #72
20160035468
2016-02-04

Positive temperature coefficient device

 #73
20160027561
2016-01-28

Ceramic electronic component

 #74
20160024346
2016-01-28

Ceramic electronic component and manufacturing method therefor

 #75
20150380133
2015-12-31

Negative differential resistance device

 #76
20150235744
2015-08-20

PPTC OVER-CURRENT PROTECTION DEVICE

 #77
20150146334
2015-05-28

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

 #78
20150131702
2015-05-14

Temperature sensor having a cover layer with aluminum oxide, silicon oxide, yttrium oxide and boron oxide

 #79
20150091690
2015-04-02

Laminated PTC thermistor element

 #80
20150029630
2015-01-29

PTC device

 #81
20140327994
2014-11-06

PTC device

 #82
20140285938
2014-09-25

Over-current protection device

 #83
20140247107
2014-09-04

BARIUM TITANATE SEMICONDUCTOR CERAMIC AND PTC THERMISTOR USING THE SAME

 #84
20140209365
2014-07-31

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

 #85
20140205336
2014-07-24

Resistance heating element and heating member and fusing device employing the same

 #86
20140146856
2014-05-29

Thin films having large temperature coefficient of resistance and methods of fabricating same

 #87
20140146432
2014-05-29

Surface mountable over-current protection device

 #88
20140091896
2014-04-03

Surface mountable over-current protection device

 #89
20140077923
2014-03-20

Conductive polymer electronic devices with surface mountable configuration and methods for manufacturing same

 #90
20140035718
2014-02-06

Over-current protection device

 #91
20130222106
2013-08-29

Chip thermistor and thermistor assembly board

 #92
20130021704
2013-01-24

OVER-CURRENT AND OVER-TEMPERATURE PROTECTION DEVICE

 #93
20130020670
2013-01-24

Temperature sensor element, method for manufacturing same, and temperature sensor

 #94
20120227229
2012-09-13

Surface mount multi-layer electrical circuit protection device with active element between PPTC layers

 #95
20120175362
2012-07-12

Positive temperature coefficient heating elements and their manufacturing

 #96
20120056709
2012-03-08

Multilayer PTC thermistor

 #97
20110175700
2011-07-21

Conductive polymer electronic devices with surface mountable configuration and methods for manufacturing same

 #98
20110170221
2011-07-14

PTC device

 #99
20100237981
2010-09-23

PTC device and process for manufacturing the same

 #100
20100134942
2010-06-03

Surface-mounted over-current protection device

 #101
20100102052
2010-04-29

SELF-REGULATING ELECTRICAL RESISTANCE HEATING ELEMENT

 #102
20100038357
2010-02-18

PTC RESISTOR

 #103
20100038356
2010-02-18

SHEET HEATING ELEMENT

 #104
20100021683
2010-01-28

Flexible heated planar element

 #105
20100001828
2010-01-07

Multilayer positive temperature coefficient thermistor

 #106
20090188259
2009-07-30

Integrated Thermoelectric Cooling Element and Positive Temperature Coefficient Heater

 #107
20090184108
2009-07-23

Material and heating cable

 #108
20090180230
2009-07-16

Multi-layer type over-current and over-temperature protection structure and method for manufacturing the same

 #109
20090153000
2009-06-18

Thermistor device preventing deformation of thermistor element, and preventing first conductive plate from directly conducted to second conductive plate

 #110
20090080137
2009-03-26

Multilayer ceramic device and mounting structure therefor

 #111
20080204187
2008-08-28

Multilayer positive temperature coefficient thermistor

 #112
20080204186
2008-08-28

Multilayer positive temperature coefficient thermistor

 #113
20070262408
2007-11-15

Thermistor device

 #114
20070148823
2007-06-28

Method of manufacturing an electronic protection device

 #115
20070146112
2007-06-28

Surface-mounted over-current protection device

 #116
20070115090
2007-05-24

Multilayer positive temperature coefficient thermistor and method for designing the same

 #117
20070075823
2007-04-05

Thermistor

 #118
20070057760
2007-03-15

Over-current protection device and manufacturing method thereof

 #119
20070045287
2007-03-01

Multilayer positive temperature coefficient device and method of making the same

 #120
20060267723
2006-11-30

Chip-type resettable over-current protection device structure

 #121
20060215342
2006-09-28

Surface mount multi-layer electrical circuit protection device with active element between PPTC layers

 #122
20060176675
2006-08-10

Multi-layer polymeric electronic device and method of manufacturing same

 #123
20060132280
2006-06-22

Positive temperature coefficient (PTC) component and method for the production thereof

 #124
20050200445
2005-09-15

Multi-layer over-current protector

 #125
17142577
2022-05-17

Composite circuit protection device

 #126
16844585
2021-01-12

PTC device

 #127
16714340
2020-10-13

Composite circuit protection device

 #128
16290191
2019-10-22

PTC device

 #129
16142054
2019-06-18

Over-current protection device

 #130
15711546
2018-06-12

Over-current protection device

 #131
15666422
2018-05-01

PTC circuit protection device and method of making the same

 #132
15653656
2018-03-27

Method of fabricating highly conductive low-ohmic chip resistor having electrodes of base metal or base-metal alloy

 #133
14831377
2016-09-27

Over-current protection device