- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 41/298 - Arrangements for protecting lamps or circuits against abnormal operating conditions
Patent holdings for IPC class H05B 41/298
Total number of patents in this class: 92
10-year publication summary
|
5
|
4
|
5
|
0
|
1
|
0
|
1
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| OSRAM GmbH | 2383 |
15 |
| Tridonic GmbH & Co KG | 1006 |
10 |
| General Electric Company | 13780 |
8 |
| Koninklijke Philips Electronics N.V. | 9658 |
4 |
| Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | 74 |
4 |
| Osram AG | 301 |
4 |
| Lutron Technology Company LLC | 2542 |
4 |
| Koninklijke Philips N.V. | 24786 |
2 |
| Delta Electronics, Inc. | 2605 |
2 |
| OSRAM SYLVANIA Inc. | 683 |
2 |
| ABL IP Holding LLC | 1908 |
2 |
| Cooper Crouse-Hinds GmbH | 42 |
2 |
| Lutron Electronics Co., Inc. | 538 |
2 |
| N.V. Nederlandsche Apparatenfabriek NEDAP | 64 |
2 |
| Tridonic UK Ltd | 22 |
2 |
| S. C. Johnson & Son, Inc. | 2786 |
1 |
| Ericsson | 21747 |
1 |
| Semiconductor Components Industries, L.L.C. | 5251 |
1 |
| Automotive Lighting Reutlingen GmbH | 60 |
1 |
| Heraeus Noblelight GmbH | 129 |
1 |
| Other owners | 22 |