- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit 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: 335
10-year publication summary
|
31
|
27
|
37
|
47
|
23
|
41
|
24
|
43
|
27
|
20
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| RAI Strategic Holdings, Inc. | 1217 |
30 |
| Altria Client Services LLC | 2435 |
16 |
| Nicoventures Trading Limited | 4706 |
16 |
| Shenzhen First Union Technology Co., Ltd. | 994 |
14 |
| JT International S.A. | 2870 |
10 |
| Philip Morris Products S.A. | 8181 |
9 |
| 3D Print Innovations, LLC | 54 |
9 |
| KT & G Corporation | 3123 |
8 |
| Shenzhen Smoore Technology Limited | 1763 |
8 |
| Türk & Hillinger GmbH | 47 |
7 |
| Watlow Electric Manufacturing Company | 577 |
6 |
| Niterra Co., Ltd. | 1401 |
6 |
| Philip Morris USA Inc. | 654 |
5 |
| Kyocera Corporation | 14359 |
5 |
| Japan Tobacco Inc. | 3548 |
5 |
| Xiamen Fengtao Ceramics Co., Ltd | 21 |
5 |
| BorgWarner Ludwigsburg GmbH | 104 |
4 |
| Fontem Ventures B.V. | 300 |
4 |
| Rheem Manufacturing Company | 1019 |
4 |
| Gunther Heisskanaltechnik GmbH | 50 |
3 |
| Other owners | 161 |