- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit arrangements for electric light sources, in general
- H05B 3/04 - Waterproof or air-tight seals for heaters
Patent holdings for IPC class H05B 3/04
Total number of patents in this class: 215
10-year publication summary
|
15
|
23
|
37
|
32
|
22
|
23
|
26
|
23
|
27
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Altria Client Services LLC | 1866 |
23 |
| Watlow Electric Manufacturing Company | 569 |
16 |
| JT International S.A. | 2449 |
13 |
| Philip Morris Products S.A. | 6751 |
11 |
| Eberspacher catem GmbH & Co. KG | 92 |
10 |
| Jli National Settlement Trust | 229 |
9 |
| nVent Services GmbH | 159 |
8 |
| I.R.C.A. S.p.A. Industria Resistenze Corazzate e Affini | 152 |
6 |
| Robert Bosch GmbH | 40953 |
5 |
| Bestway Inflatables & Material Corp. | 367 |
5 |
| RAI Strategic Holdings, Inc. | 1026 |
5 |
| Sanden Corporation | 859 |
5 |
| Valeo Systemes Thermiques | 2471 |
4 |
| Bleckmann GmbH & Co. KG | 29 |
3 |
| Fontem Ventures B.V. | 312 |
3 |
| Lattron Co. Ltd. | 18 |
3 |
| Shenzhen Smoore Technology Limited | 1233 |
3 |
| Acquire Industries Ltd. | 12 |
3 |
| Nicoventures Trading Limited | 2898 |
3 |
| The Boeing Company | 19843 |
2 |
| Other owners | 75 |