- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 53/54 - Nitrogen compounds
Patent holdings for IPC class B01D 53/54
Total number of patents in this class: 166
10-year publication summary
|
17
|
9
|
5
|
3
|
6
|
9
|
5
|
6
|
16
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| PanAsia Co., Ltd. | 118 |
5 |
| NexoSolutions LLC | 4 |
4 |
| Stamicarbon B.V. | 306 |
4 |
| Carbonquest, Inc. | 40 |
4 |
| Shell Internationale Research Maatschappij B.V. | 3517 |
3 |
| The Board of Trustees of the Leland Stanford Junior University | 6594 |
3 |
| Chevron U.S.A. Inc. | 4044 |
3 |
| Air Products and Chemicals, Inc. | 1455 |
3 |
| Casale SA | 639 |
3 |
| ThyssenKrupp AG | 3388 |
3 |
| BASF SE | 21135 |
2 |
| ExxonMobil Research And Engineering Company | 2502 |
2 |
| Applied Materials, Inc. | 19577 |
2 |
| Babcock-Hitachi Kabushiki Kaisha | 99 |
2 |
| Energy Recovery, Inc. | 183 |
2 |
| Enviroresolutions Inc. | 2 |
2 |
| Hatch Ltd. | 215 |
2 |
| INEOS Europe AG | 206 |
2 |
| Inventys Thermal Technologies Inc. | 23 |
2 |
| Johnson Matthey Process Technologies, Inc. | 49 |
2 |
| Other owners | 111 |