- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit arrangements for electric light sources, in general
- H05B 41/04 - Starting switches
Patent holdings for IPC class H05B 41/04
Total number of patents in this class: 92
10-year publication summary
|
3
|
0
|
4
|
0
|
1
|
0
|
1
|
2
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| OSRAM GmbH | 2412 |
27 |
| Koninklijke Philips Electronics N.V. | 10844 |
15 |
| Osram AG | 302 |
5 |
| General Electric Company | 17789 |
4 |
| Philips Intellectual Property & Standards GmbH | 2112 |
4 |
| TridonicAtco GmbH & Co. KG | 51 |
3 |
| Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | 134 |
2 |
| SUMIDA Components & Modules GmbH | 39 |
2 |
| Vode Lighting LLC | 71 |
2 |
| NEC Corporation | 34413 |
1 |
| Matsushita Electric Works, Ltd. | 179 |
1 |
| Seiko Epson Corporation | 18989 |
1 |
| GM Global Technology Operations LLC | 14260 |
1 |
| Koninklijke Philips N.V. | 23999 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 29733 |
1 |
| Tyco Electronics Raychem GmbH | 84 |
1 |
| OSRAM SYLVANIA Inc. | 702 |
1 |
| Hubbell Incorporated | 3167 |
1 |
| Automotive Lighting Reutlingen GmbH | 60 |
1 |
| Bag Electronics GmbH | 5 |
1 |
| Other owners | 17 |