- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 53/14 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical 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: 7837
10-year publication summary
|
461
|
462
|
425
|
442
|
424
|
448
|
581
|
690
|
783
|
461
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 9128 |
370 |
| Saudi Arabian Oil Company | 14235 |
185 |
| BASF SE | 21303 |
140 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4117 |
98 |
| IFP Energies Nouvelles | 3098 |
97 |
| Uop LLC | 4393 |
90 |
| Shell Internationale Research Maatschappij B.V. | 3403 |
83 |
| Dow Global Technologies LLC | 10944 |
74 |
| Fluor Technologies Corporation | 361 |
69 |
| ExxonMobil Research And Engineering Company | 2422 |
66 |
| General Electric Technology GmbH | 1337 |
65 |
| Siemens AG | 24029 |
64 |
| Alstom Technology Ltd | 1045 |
64 |
| The Kansai Electric Power Co., Inc. | 122 |
63 |
| Toshiba Corporation | 12560 |
61 |
| Korea Institute of Energy Research | 898 |
57 |
| Linde Aktiengesellschaft | 1421 |
55 |
| Mitsubishi Gas Chemical Company, Inc. | 3622 |
53 |
| ExxonMobil Upstream Research Company | 2305 |
52 |
| Commonwealth Scientific and Industrial Research Organisation | 1655 |
43 |
| Other owners | 5988 |