- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit arrangements for electric light sources, in general
- H05B 3/52 - Apparatus or processes for filling or compressing insulating material in tubes
Patent holdings for IPC class H05B 3/52
Total number of patents in this class: 29
10-year publication summary
|
2
|
3
|
3
|
6
|
6
|
2
|
4
|
3
|
0
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Türk & Hillinger GmbH | 51 |
5 |
| Watlow Electric Manufacturing Company | 569 |
5 |
| I.R.C.A. S.p.A. Industria Resistenze Corazzate e Affini | 152 |
3 |
| Optimus Integrated Surgical Environment AG | 3 |
3 |
| Tom Richards, Inc., DBA Process Technology | 23 |
2 |
| nVent Services GmbH | 159 |
2 |
| Epcos AG | 778 |
1 |
| Bradford White Corporation | 127 |
1 |
| Bradley Fixtures Corporation | 189 |
1 |
| Miele & Cie. KG | 578 |
1 |
| Rittal GmbH & Co. KG | 563 |
1 |
| Shenzhen First Union Technology Co., Ltd. | 611 |
1 |
| Yoshinogawa Electric Wire & Cable Co., Ltd. | 3 |
1 |
| M.i Co., Ltd. | 3 |
1 |
| Niterra Co., Ltd. | 1122 |
1 |
| Other owners | 0 |