- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 53/047 - Pressure swing adsorption
Patent holdings for IPC class B01D 53/047
Total number of patents in this class: 1947
10-year publication summary
|
110
|
182
|
200
|
185
|
167
|
165
|
173
|
190
|
182
|
53
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
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 | 3515 |
125 |
| Praxair Technology, Inc. | 1367 |
104 |
| Air Products and Chemicals, Inc. | 1448 |
92 |
| ExxonMobil Upstream Research Company | 2525 |
91 |
| ExxonMobil Research And Engineering Company | 2830 |
69 |
| Uop LLC | 4083 |
64 |
| Saudi Arabian Oil Company | 11322 |
42 |
| Koninklijke Philips N.V. | 22975 |
30 |
| Linde Aktiengesellschaft | 1600 |
29 |
| Ventec Life Systems, Inc. | 98 |
25 |
| Linde GmbH | 1122 |
24 |
| Inogen, Inc. | 109 |
21 |
| Chevron U.S.A. Inc. | 3774 |
20 |
| Climeworks AG | 83 |
20 |
| Pacific Consolidated Industries, LLC | 22 |
19 |
| ExxonMobil Technology and Engineering Company | 676 |
17 |
| L'Air Liquide, Societe Anonyme pour L'etude et L'exploitation des Proced ES Georges Claude | 296 |
14 |
| Sekisui Chemical Co., Ltd. | 3159 |
14 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
13 |
| Daikin Industries, Ltd. | 9495 |
13 |
| Other owners | 1101 |