- 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: 155
10-year publication summary
|
18
|
20
|
13
|
5
|
4
|
8
|
10
|
5
|
7
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| PanAsia Co., Ltd. | 114 |
5 |
| ExxonMobil Research And Engineering Company | 2657 |
4 |
| NexoSolutions LLC | 4 |
4 |
| Stamicarbon B.V. | 279 |
4 |
| Carbonquest, Inc. | 29 |
4 |
| Shell Internationale Research Maatschappij B.V. | 3724 |
3 |
| The Board of Trustees of the Leland Stanford Junior University | 6257 |
3 |
| Casale SA | 595 |
3 |
| Inventys Thermal Technologies Inc. | 32 |
3 |
| Johnson Matthey Process Technologies, Inc. | 53 |
3 |
| BASF SE | 20421 |
2 |
| Applied Materials, Inc. | 17779 |
2 |
| Air Products and Chemicals, Inc. | 1436 |
2 |
| Babcock-Hitachi Kabushiki Kaisha | 105 |
2 |
| Energy Recovery, Inc. | 175 |
2 |
| Enviroresolutions Inc. | 2 |
2 |
| INEOS Europe AG | 199 |
2 |
| Isca Management Ltd. | 2 |
2 |
| Korea Institute of Energy Research | 831 |
2 |
| Pacific Consolidated Industries, LLC | 22 |
2 |
| Other owners | 99 |