- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit 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: 308
10-year publication summary
|
37
|
32
|
23
|
23
|
26
|
23
|
29
|
50
|
32
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Altria Client Services LLC | 2435 |
34 |
| Nicoventures Trading Limited | 4690 |
19 |
| Watlow Electric Manufacturing Company | 575 |
18 |
| JT International S.A. | 2866 |
16 |
| Philip Morris Products S.A. | 8157 |
14 |
| Eberspacher catem GmbH & Co. KG | 102 |
12 |
| Jli National Settlement Trust | 228 |
8 |
| KT & G Corporation | 3121 |
7 |
| Robert Bosch GmbH | 44128 |
6 |
| I.R.C.A. S.p.A. Industria Resistenze Corazzate e Affini | 165 |
6 |
| RAI Strategic Holdings, Inc. | 1217 |
6 |
| Chemelex Europe GmbH | 82 |
6 |
| Sanden Corporation | 1030 |
5 |
| Juul Labs, Inc. | 461 |
5 |
| Bestway Inflatables & Material Corp. | 432 |
4 |
| Fontem Ventures B.V. | 300 |
4 |
| Imperial Tobacco Limited | 765 |
4 |
| Valeo Systemes Thermiques | 2825 |
4 |
| Fontem (Beijing) Technology Solutions Ltd | 22 |
4 |
| Bleckmann GmbH & Co. KG | 35 |
3 |
| Other owners | 123 |