- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 6/44 - Coil arrangements having more than one coil or coil segment
Patent holdings for IPC class H05B 6/44
Total number of patents in this class: 497
10-year publication summary
|
35
|
33
|
54
|
46
|
32
|
37
|
41
|
46
|
41
|
29
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Philip Morris Products S.A. | 8291 |
25 |
| Nicoventures Trading Limited | 4828 |
25 |
| Samsung Electronics Co., Ltd. | 159029 |
16 |
| LG Electronics Inc. | 76087 |
16 |
| Nippon Steel Corporation | 6982 |
16 |
| Illinois Tool Works Inc. | 11879 |
15 |
| Neturen Co., Ltd. | 198 |
15 |
| Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co. Limited | 444 |
14 |
| Sauna Works, Inc. | 76 |
14 |
| KT & G Corporation | 3166 |
11 |
| The Boeing Company | 20193 |
9 |
| Ajax Tocco Magnethermic Corporation | 94 |
9 |
| NTN Corporation | 4925 |
8 |
| Inductotherm Corp. | 153 |
8 |
| ALD Vacuum Technologies GmbH | 140 |
7 |
| Mitsui Engineering & Shipbuilding Co., Ltd. | 295 |
7 |
| Inductoheat, Inc. | 49 |
6 |
| Midea Group Co., Ltd. | 5080 |
6 |
| SMS Group GmbH | 1207 |
6 |
| MITSUI E&S Co., Ltd. | 56 |
6 |
| Other owners | 258 |