- 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: 51
10-year publication summary
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1
|
1
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0
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1
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2
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2
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2
|
1
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1
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Centre National de La Recherche Scientifique | 11023 |
2 |
| Uop LLC | 4393 |
2 |
| Georgia Tech Research Corporation | 2943 |
2 |
| EnergySolutions, Inc. | 8 |
2 |
| Hirosaki University | 154 |
2 |
| Skyre, Inc. | 33 |
2 |
| Toyota Motor Corporation | 35772 |
1 |
| Honeywell International Inc. | 12778 |
1 |
| Seiko Epson Corporation | 20256 |
1 |
| TDK Corporation | 6858 |
1 |
| Nitto Denko Corporation | 8536 |
1 |
| Massachusetts Institute of Technology | 10251 |
1 |
| NGK Insulators, Ltd. | 5236 |
1 |
| Dow Global Technologies LLC | 10944 |
1 |
| Chevron U.S.A. Inc. | 4140 |
1 |
| Carrier Corporation | 3955 |
1 |
| Japan Science and Technology Agency | 1214 |
1 |
| Carbon Sink Inc. | 30 |
1 |
| CMS Technologies Holdings, Inc. | 5 |
1 |
| DCNS SA | 73 |
1 |
| Other owners | 25 |