- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 53/047 - Pressure swing adsorption
Patent holdings for IPC class B01D 53/047
Total number of patents in this class: 2432
10-year publication summary
|
200
|
186
|
167
|
165
|
176
|
200
|
198
|
218
|
212
|
163
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4122 |
160 |
| Air Products and Chemicals, Inc. | 1469 |
112 |
| Uop LLC | 4390 |
104 |
| Praxair Technology, Inc. | 1215 |
95 |
| ExxonMobil Upstream Research Company | 2291 |
90 |
| ExxonMobil Research And Engineering Company | 2400 |
59 |
| Saudi Arabian Oil Company | 14305 |
57 |
| Linde GmbH | 1370 |
36 |
| Climeworks AG | 110 |
31 |
| Koninklijke Philips N.V. | 25938 |
30 |
| Ventec Life Systems, Inc. | 104 |
30 |
| Linde Aktiengesellschaft | 1419 |
28 |
| Chevron U.S.A. Inc. | 4159 |
24 |
| Asahi Kasei Kabushiki Kaisha | 2840 |
23 |
| Inogen, Inc. | 108 |
23 |
| ExxonMobil Technology and Engineering Company | 1379 |
22 |
| Pacific Consolidated Industries, LLC | 20 |
19 |
| Daikin Industries, Ltd. | 10502 |
17 |
| SABIC Global Technologies B.V. | 4611 |
15 |
| Topsoe A/S | 1059 |
15 |
| Other owners | 1442 |