- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit arrangements for electric light sources, in general
- H05B 3/18 - Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor the conductor being embedded in an insulating material
Patent holdings for IPC class H05B 3/18
Total number of patents in this class: 297
10-year publication summary
|
21
|
29
|
35
|
27
|
32
|
42
|
43
|
36
|
21
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Corporation | 12735 |
44 |
| Watlow Electric Manufacturing Company | 569 |
22 |
| NGK Insulators, Ltd. | 4589 |
12 |
| NHK Spring Co., Ltd. | 1657 |
9 |
| NGK Spark Plug Co., Ltd. | 935 |
8 |
| Eberspacher catem GmbH & Co. KG | 92 |
6 |
| Philip Morris USA Inc. | 744 |
5 |
| Robert Bosch GmbH | 40953 |
5 |
| Shenzhen Smoore Technology Limited | 1233 |
5 |
| Goodrich Corporation | 2081 |
4 |
| Türk & Hillinger GmbH | 51 |
4 |
| MICO Ceramics Ltd. | 42 |
4 |
| Chongqing Le-mark Technology Co., Ltd. | 23 |
4 |
| Samsung Electronics Co., Ltd. | 131630 |
3 |
| Apple Inc. | 50209 |
3 |
| LG Electronics Inc. | 69257 |
3 |
| GKN Aerospace Services Limited | 129 |
3 |
| Rosemount Aerospace Inc. | 747 |
3 |
| nVent Services GmbH | 159 |
3 |
| Nicoventures Trading Limited | 2898 |
3 |
| Other owners | 144 |