- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 3/42 - Heating elements having the shape of rods or tubes non-flexible
Patent holdings for IPC class H05B 3/42
Total number of patents in this class: 704
10-year publication summary
|
74
|
58
|
63
|
48
|
61
|
64
|
74
|
64
|
63
|
39
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Altria Client Services LLC | 2449 |
61 |
| Philip Morris Products S.A. | 8249 |
46 |
| KT & G Corporation | 3157 |
28 |
| Nicoventures Trading Limited | 4783 |
25 |
| JT International S.A. | 2893 |
22 |
| RAI Strategic Holdings, Inc. | 1224 |
21 |
| Watlow Electric Manufacturing Company | 578 |
20 |
| NGK Insulators, Ltd. | 5173 |
12 |
| Fontem Ventures B.V. | 304 |
12 |
| Japan Tobacco Inc. | 3563 |
12 |
| BASF SE | 21320 |
10 |
| I.R.C.A. S.p.A. Industria Resistenze Corazzate e Affini | 168 |
10 |
| Shenzhen First Union Technology Co., Ltd. | 1011 |
10 |
| Valeo Systemes Thermiques | 2821 |
8 |
| Kanthal AB | 113 |
8 |
| Türk & Hillinger GmbH | 47 |
7 |
| Kanthal GmbH | 13 |
7 |
| Hyundai Motor Company | 24852 |
6 |
| Shenzhen Smoore Technology Limited | 1803 |
6 |
| Linde GmbH | 1373 |
6 |
| Other owners | 367 |