- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 235
10-year publication summary
|
10
|
21
|
31
|
19
|
26
|
17
|
26
|
30
|
25
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Durr Systems AG | 339 |
14 |
| STELA Laxhuber GmbH | 23 |
7 |
| Mazda Motor Corporation | 3066 |
5 |
| Belvac Production Machinery, Inc. | 151 |
5 |
| PIOVAN S.p.A. | 30 |
5 |
| PEGASO INDUSTRIES S.p.A. | 52 |
5 |
| Duerr Systems AG | 196 |
4 |
| Grenzebach BSH GmbH | 56 |
4 |
| GEA Process Engineering A/S | 159 |
4 |
| Kronoplus Limited | 791 |
4 |
| Guangzhou Jp.epe.co., Ltd. | 11 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8504 |
3 |
| Thought3D Ltd | 5 |
3 |
| Komline-Sanderson Corporation | 48 |
3 |
| Eisenmann GmbH | 67 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 29567 |
2 |
| Toray Engineering Co., Ltd. | 467 |
2 |
| Avery Dennison Corporation | 1233 |
2 |
| Barlean's Organic Oils, LLC, AKA Barlean's | 41 |
2 |
| Durr Systems GmbH | 278 |
2 |
| Other owners | 152 |