- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 31/20 - Mechanical arrangements for feeding electrodes
Patent holdings for IPC class H05B 31/20
Total number of patents in this class: 1
10-year publication summary
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tekna Plasma Systems Inc. | 69 |
1 |
| Other owners | 0 |