- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit 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: 325
10-year publication summary
|
27
|
33
|
24
|
31
|
42
|
42
|
38
|
22
|
29
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Corporation | 13988 |
44 |
| Watlow Electric Manufacturing Company | 580 |
25 |
| NGK Insulators, Ltd. | 5107 |
14 |
| NHK Spring Co., Ltd. | 1903 |
10 |
| NGK Spark Plug Co., Ltd. | 888 |
8 |
| Eberspacher catem GmbH & Co. KG | 98 |
7 |
| Philip Morris USA Inc. | 699 |
6 |
| Goodrich Corporation | 2140 |
6 |
| Shenzhen Smoore Technology Limited | 1554 |
6 |
| Van Straten Enterprises, Inc. | 19 |
5 |
| MICO Ceramics Ltd. | 63 |
5 |
| Samsung Electronics Co., Ltd. | 147983 |
4 |
| Robert Bosch GmbH | 42826 |
4 |
| LG Innotek Co., Ltd. | 7834 |
4 |
| Türk & Hillinger GmbH | 48 |
4 |
| Chongqing Le-mark Technology Co., Ltd. | 32 |
4 |
| Apple Inc. | 55640 |
3 |
| LG Electronics Inc. | 73690 |
3 |
| Philip Morris Products S.A. | 7714 |
3 |
| Toyoda Gosei Co., Ltd. | 1808 |
3 |
| Other owners | 157 |