- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit arrangements for electric light sources, in general
- H05B 3/76 - Plates with spirally-wound heating tubes
Patent holdings for IPC class H05B 3/76
Total number of patents in this class: 31
10-year publication summary
|
3
|
4
|
1
|
7
|
4
|
4
|
6
|
4
|
4
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zoppas Industries de Mexico SA de C.V. | 21 |
12 |
| Haier US Appliance Solutions, Inc. | 3178 |
5 |
| LG Electronics Inc. | 69257 |
4 |
| Duke Manufacturing Co. | 97 |
2 |
| Lexmark International, Inc. | 1793 |
1 |
| E.G.O. Elektro-Geraetebau GmbH | 123 |
1 |
| Matthews International Corporation | 350 |
1 |
| Nichias Corporation | 386 |
1 |
| Spectrum Brands, Inc. | 916 |
1 |
| Teledyne Still-man Manufacturing | 1 |
1 |
| Ushio Denki Kabushiki Kaisha | 1088 |
1 |
| MG Heat, LLC | 3 |
1 |
| Other owners | 0 |