- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 53/14 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by absorption
Patent holdings for IPC class B01D 53/14
Total number of patents in this class: 6145
10-year publication summary
|
462
|
435
|
461
|
462
|
425
|
442
|
422
|
438
|
537
|
168
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 8217 |
313 |
| Saudi Arabian Oil Company | 11322 |
141 |
| BASF SE | 19740 |
125 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
89 |
| IFP Energies Nouvelles | 2717 |
84 |
| General Electric Technology GmbH | 1657 |
79 |
| Fluor Technologies Corporation | 410 |
73 |
| Uop LLC | 4083 |
71 |
| ExxonMobil Research And Engineering Company | 2830 |
69 |
| Dow Global Technologies LLC | 10147 |
69 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
67 |
| Siemens AG | 24990 |
66 |
| Alstom Technology Ltd | 1196 |
64 |
| The Kansai Electric Power Co., Inc. | 155 |
62 |
| Linde Aktiengesellschaft | 1600 |
61 |
| ExxonMobil Upstream Research Company | 2525 |
54 |
| Toshiba Corporation | 12017 |
51 |
| Korea Institute of Energy Research | 803 |
49 |
| Air Products and Chemicals, Inc. | 1448 |
44 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
38 |
| Other owners | 4476 |