- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit 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: 395
10-year publication summary
|
27
|
21
|
35
|
33
|
54
|
46
|
31
|
36
|
35
|
15
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nicoventures Trading Limited | 2898 |
20 |
| Philip Morris Products S.A. | 6751 |
19 |
| Neturen Co., Ltd. | 193 |
16 |
| Illinois Tool Works Inc. | 11152 |
15 |
| LG Electronics Inc. | 69257 |
15 |
| Samsung Electronics Co., Ltd. | 131630 |
11 |
| Nippon Steel Corporation | 5649 |
11 |
| Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co. Limited | 365 |
10 |
| Sauna Works, Inc. | 68 |
10 |
| The Boeing Company | 19843 |
9 |
| Inductotherm Corp. | 152 |
9 |
| NTN Corporation | 5008 |
7 |
| Ajax Tocco Magnethermic Corporation | 96 |
7 |
| ALD Vacuum Technologies GmbH | 138 |
7 |
| Mitsui Engineering & Shipbuilding Co., Ltd. | 331 |
7 |
| Inductoheat, Inc. | 48 |
6 |
| MITSUI E&S Co., Ltd. | 38 |
6 |
| BSH Hausgeräte GmbH | 5384 |
5 |
| Midea Group Co., Ltd. | 4025 |
5 |
| Crucible Intellectual Property, LLC | 93 |
4 |
| Other owners | 196 |