- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit arrangements for electric light sources, in general
- H05B 3/46 - Heating elements having the shape of rods or tubes non-flexible heating conductor mounted on insulating base
Patent holdings for IPC class H05B 3/46
Total number of patents in this class: 291
10-year publication summary
|
23
|
31
|
27
|
37
|
47
|
23
|
41
|
24
|
41
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| RAI Strategic Holdings, Inc. | 1094 |
25 |
| Nicoventures Trading Limited | 3441 |
14 |
| Altria Client Services LLC | 2043 |
13 |
| Shenzhen First Union Technology Co., Ltd. | 739 |
11 |
| Philip Morris Products S.A. | 7310 |
9 |
| Jabil Inc. | 496 |
9 |
| JT International S.A. | 2666 |
7 |
| Türk & Hillinger GmbH | 48 |
7 |
| Watlow Electric Manufacturing Company | 573 |
7 |
| Shenzhen Smoore Technology Limited | 1451 |
6 |
| Kyocera Corporation | 13344 |
5 |
| KT & G Corporation | 2338 |
5 |
| Xiamen Fengtao Ceramics Co., Ltd | 27 |
5 |
| Philip Morris USA Inc. | 722 |
4 |
| BorgWarner Ludwigsburg GmbH | 105 |
4 |
| Fontem Ventures B.V. | 302 |
4 |
| Japan Tobacco Inc. | 3488 |
4 |
| Rheem Manufacturing Company | 922 |
4 |
| Niterra Co., Ltd. | 1196 |
4 |
| Gunther Heisskanaltechnik GmbH | 60 |
3 |
| Other owners | 141 |