- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F26B - Drying solid materials or objects by removing liquid therefrom
- F26B 23/04 - Heating arrangements using electric heating
Patent holdings for IPC class F26B 23/04
Total number of patents in this class: 137
10-year publication summary
|
7
|
14
|
9
|
15
|
16
|
13
|
13
|
9
|
30
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Spur Concepts Inc. | 27 |
19 |
| Revive Electronics, LLC | 47 |
16 |
| NGK Insulators, Ltd. | 5239 |
10 |
| LG Electronics Inc. | 75818 |
3 |
| Hewlett-Packard Development Company, L.P. | 25180 |
3 |
| Boe Technology Group Co., Ltd. | 44074 |
3 |
| Duerr Systems AG | 253 |
3 |
| Screen Holdings Co., Ltd. | 3160 |
3 |
| Durr Systems AG | 405 |
3 |
| Ricoh Company, Ltd. | 13333 |
2 |
| Colorado State University Research Foundation | 722 |
2 |
| Georgetown University | 628 |
2 |
| Stolle Machinery Company, LLC | 505 |
2 |
| Wood-neste Oy | 3 |
2 |
| O&K Technology Co., Ltd. | 8 |
2 |
| Envision AESC Japan Ltd. | 271 |
2 |
| Samsung Electronics Co., Ltd. | 157946 |
1 |
| 3m Innovative Properties Company | 17481 |
1 |
| Honda Motor Co., Ltd. | 26034 |
1 |
| Conair Corporation | 137 |
1 |
| Other owners | 56 |