- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F26B - Drying solid materials or objects by removing liquid therefrom
- F26B 21/04 - Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
Patent holdings for IPC class F26B 21/04
Total number of patents in this class: 249
10-year publication summary
|
8
|
16
|
28
|
19
|
25
|
16
|
21
|
29
|
25
|
20
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Durr Systems AG | 371 |
17 |
| STELA Laxhuber GmbH | 24 |
7 |
| Duerr Systems AG | 231 |
6 |
| PIOVAN S.p.A. | 41 |
6 |
| Mazda Motor Corporation | 3169 |
5 |
| Belvac Production Machinery, Inc. | 154 |
4 |
| Grenzebach BSH GmbH | 54 |
4 |
| GEA Process Engineering A/S | 163 |
4 |
| PEGASO INDUSTRIES S.p.A. | 51 |
4 |
| Kronoplus Limited | 805 |
4 |
| Guangzhou Jp.epe.co., Ltd. | 11 |
4 |
| Eisenmann GmbH | 69 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8787 |
3 |
| R.P. Scherer Technologies, LLC | 301 |
3 |
| Thought3D Ltd | 6 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 31882 |
2 |
| Toray Engineering Co., Ltd. | 491 |
2 |
| Avery Dennison Corporation | 1184 |
2 |
| Durr Systems GmbH | 269 |
2 |
| Durr Systems, Inc. | 111 |
2 |
| Other owners | 161 |