- 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: 222
10-year publication summary
|
11
|
10
|
21
|
29
|
19
|
26
|
17
|
26
|
30
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Durr Systems AG | 323 |
12 |
| STELA Laxhuber GmbH | 23 |
7 |
| Mazda Motor Corporation | 3087 |
5 |
| PIOVAN S.p.A. | 24 |
5 |
| PEGASO INDUSTRIES S.p.A. | 47 |
5 |
| Duerr Systems AG | 175 |
4 |
| Grenzebach BSH GmbH | 55 |
4 |
| Komline-Sanderson Corporation | 49 |
4 |
| Kronoplus Limited | 770 |
4 |
| Guangzhou Jp.epe.co., Ltd. | 11 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
3 |
| Belvac Production Machinery, Inc. | 132 |
3 |
| GEA Process Engineering A/S | 150 |
3 |
| Thought3D Ltd | 5 |
3 |
| Eisenmann GmbH | 66 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
2 |
| Toray Engineering Co., Ltd. | 438 |
2 |
| Avery Dennison Corporation | 1291 |
2 |
| Barlean's Organic Oils, LLC, AKA Barlean's | 38 |
2 |
| Durr Systems GmbH | 281 |
2 |
| Other owners | 143 |