- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 59/12 - Separation by diffusion by diffusion through barriers
Patent holdings for IPC class B01D 59/12
Total number of patents in this class: 57
10-year publication summary
|
2
|
1
|
1
|
0
|
1
|
2
|
2
|
1
|
0
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4204 |
3 |
| Centre National de La Recherche Scientifique | 10174 |
2 |
| Massachusetts Institute of Technology | 9956 |
2 |
| Chevron U.S.A. Inc. | 3884 |
2 |
| Georgia Tech Research Corporation | 2642 |
2 |
| EnergySolutions, Inc. | 8 |
2 |
| UTC Power Corporation | 261 |
2 |
| Skyre, Inc. | 32 |
2 |
| Toyota Motor Corporation | 30724 |
1 |
| Honeywell International Inc. | 14031 |
1 |
| ExxonMobil Research And Engineering Company | 2642 |
1 |
| Seiko Epson Corporation | 19080 |
1 |
| TDK Corporation | 6580 |
1 |
| Nitto Denko Corporation | 8113 |
1 |
| NGK Insulators, Ltd. | 4810 |
1 |
| Dow Global Technologies LLC | 10225 |
1 |
| Carrier Corporation | 4426 |
1 |
| Japan Science and Technology Agency | 1401 |
1 |
| Carbon Sink Inc. | 32 |
1 |
| CMS Technologies Holdings, Inc. | 5 |
1 |
| Other owners | 28 |