- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 53/66 - Ozone
Patent holdings for IPC class B01D 53/66
Total number of patents in this class: 84
10-year publication summary
|
7
|
10
|
7
|
3
|
5
|
4
|
4
|
2
|
6
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 23996 |
5 |
| C-Quest Technologies LLC | 6 |
4 |
| Toyota Motor Corporation | 35906 |
3 |
| Parker-Hannifin Corporation | 1039 |
3 |
| Suez Groupe | 169 |
3 |
| Feagle Co., Ltd | 18 |
3 |
| International Business Machines Corporation | 62742 |
2 |
| Hamilton Sundstrand Corporation | 5014 |
2 |
| Air Cross, Inc. | 2 |
2 |
| Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences | 56 |
2 |
| The Boeing Company | 20176 |
1 |
| Centre National de La Recherche Scientifique | 11055 |
1 |
| Panasonic Corporation | 18896 |
1 |
| Sharp Corporation | 10575 |
1 |
| Industrial Technology Research Institute | 5204 |
1 |
| Mitsubishi Electric Corporation | 48146 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11130 |
1 |
| Tsinghua University | 6224 |
1 |
| Archer Daniels Midland Company | 1076 |
1 |
| BSH Hausgeräte GmbH | 5643 |
1 |
| Other owners | 45 |