Patents-Review.com
ClassID:

201197 ⎘

H01C7/028 - 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 organic substances

Recent Application in this class:
#1
20260103573
2026-04-16

PPTC MATERIAL WITH ONE-STEP HOT APPLICATION PROCESS

 #2
20260066156
2026-03-05

CIRCUIT PROTECTION DEVICE

 #3
20250233409
2025-07-17

COMPOSITE CIRCUIT PROTECTION DEVICE

 #4
20250183655
2025-06-05

RAPID REACTION PTC CIRCUIT PROTECTION DEVICE

 #5
20250174378
2025-05-29

PPTC DEVICE INCLUDING MULTILAYER ELECTRODES

 #6
20250095887
2025-03-20

OVER-CURRENT PROTECTION DEVICE

 #7
20240371549
2024-11-07

INTEGRATED HETEROGENEOUS THERMISTOR ARRANGEMENT FOR HIGH VOLTAGE PRE-CHARGE CIRCUIT

 #8
20240266094
2024-08-08

OVERCURRENT PROTECTION ELEMENT

 #9
20240145133
2024-05-02

OVER-CURRENT PROTECTION DEVICE

 #10
20240145132
2024-05-02

OVER-CURRENT PROTECTION DEVICE

 #11
20240127989
2024-04-18

OVER-CURRENT PROTECTION DEVICE

 #12
20240127988
2024-04-18

OVER-CURRENT PROTECTION DEVICE

 #13
20240087777
2024-03-14

THERMISTOR LAYER, ELECTRODE FOR BATTERY, BATTERY, AND THERMISTOR

 #14
20240055160
2024-02-15

ELECTRICALLY CONDUCTIVE PTC INK WITH DOUBLE SWITCHING TEMPERATURES

 #15
20230377780
2023-11-23

Hybrid circuit protection device

 #16
20230343494
2023-10-26

LOW RESISTANCE, HIGH VOLTAGE AND RESISTANCE STABLE PPTC MATERIAL AND MANUFACTURING

 #17
20230245802
2023-08-03

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

 #18
20220399716
2022-12-15

Over-current protection device

 #19
20220399142
2022-12-15

Radial-leaded over-current protection device

 #20
20220375659
2022-11-24

PTC HEATING ELEMENT

 #21
20220199295
2022-06-23

Electrically conductive PTC ink with double switching temperatures

 #22
20210381905
2021-12-09

Temperature sensor element

 #23
20210134496
2021-05-06

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

 #24
20210005362
2021-01-07

PPTC device having resistive component

 #25
20200357543
2020-11-12

PPTC composition and device having low switch temperature and sharp crystallization behavior

 #26
20200303095
2020-09-24

PTC circuit protection device

 #27
20200239107
2020-07-30

Motor vehicle with snowgliding device

 #28
20200234857
2020-07-23

PPTC composition and device having low switch temperature and sharp crystallization behaviour

 #29
20200105436
2020-04-02

Multilayer stack with enhanced conductivity and stability

 #30
20190371501
2019-12-05

Device protected by PTC element

 #31
20190318852
2019-10-17

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

 #32
20190237224
2019-08-01

Electrically conductive shaped body with a positive temperature coefficient

 #33
20190198188
2019-06-27

Multilayer stack with enhanced conductivity and stability

 #34
20180336980
2018-11-22

Surface-mountable over-current protection device

 #35
20180186964
2018-07-05

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

 #36
20180012686
2018-01-11

Flexible positive temperature coefficient sheet and method for making the same

 #37
20170294251
2017-10-12

ULTRATHIN POSITIVE TEMPERATURE COEFFICIENT SHEET AND METHOD FOR MAKING SAME

 #38
20170257910
2017-09-07

POSITIVE TEMPERATURE COEFFICIENT COMPOSITION

 #39
20170158898
2017-06-08

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

 #40
20170098495
2017-04-06

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

 #41
20160307672
2016-10-20

PTC circuit protection device

 #42
20160233667
2016-08-11

Over-current protection device

 #43
20160104559
2016-04-14

Method for manufacturing a surface mount device

 #44
20160093414
2016-03-31

PTC composition and over-current protection device containing the same

 #45
20160042845
2016-02-11

Electrical device

 #46
20140327513
2014-11-06

Macromolecule-based conductive composite material and PTC element

 #47
20140306605
2014-10-16

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

 #48
20140218163
2014-08-07

Polymeric PTC thermistors

 #49
20140077923
2014-03-20

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

 #50
20130193384
2013-08-01

POLYMER THICK FILM POSITIVE TEMPERATURE COEFFICIENT CARBON COMPOSITION

 #51
20130187748
2013-07-25

Surface mountable thermistor

 #52
20110279220
2011-11-17

PTC device

 #53
20110175700
2011-07-21

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

 #54
20110170221
2011-07-14

PTC device

 #55
20100328832
2010-12-30

Electrical Composite Element

 #56
20060202794
2006-09-14

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

 #57
20060202791
2006-09-14

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

 #58
20060155088
2006-07-13

Crystalline polymer exhibiting solid phase transition phenomenon and use thereof

 #59
20060091992
2006-05-04

Conductive member and manufacturing method thereof, and electric device and manufacturing method thereof

 #60
20060055501
2006-03-16

Conductive polymer device and method of manufacturing same

 #61
17142577
2022-05-17

Composite circuit protection device

 #62
15964877
2019-09-17

Composite circuit protection device

 #63
15957897
2019-05-21

Jelly roll-type positive temperature coefficient device

 #64
15850519
2018-12-04

PTC circuit protection device

 #65
15711546
2018-06-12

Over-current protection device

 #66
15666422
2018-05-01

PTC circuit protection device and method of making the same

 #67
15192720
2017-09-26

PTC circuit protection device