- 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: 6950
10-year publication summary
|
435
|
461
|
462
|
425
|
442
|
424
|
445
|
577
|
635
|
395
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 8694 |
330 |
| Saudi Arabian Oil Company | 12997 |
169 |
| BASF SE | 20904 |
130 |
| IFP Energies Nouvelles | 2943 |
93 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3967 |
87 |
| Shell Internationale Research Maatschappij B.V. | 3551 |
86 |
| Uop LLC | 4239 |
80 |
| Dow Global Technologies LLC | 10373 |
73 |
| Fluor Technologies Corporation | 377 |
69 |
| ExxonMobil Research And Engineering Company | 2582 |
67 |
| Alstom Technology Ltd | 1109 |
64 |
| General Electric Technology GmbH | 1371 |
64 |
| Siemens AG | 24520 |
63 |
| The Kansai Electric Power Co., Inc. | 135 |
61 |
| Linde Aktiengesellschaft | 1516 |
60 |
| Toshiba Corporation | 12320 |
57 |
| Korea Institute of Energy Research | 849 |
54 |
| ExxonMobil Upstream Research Company | 2406 |
52 |
| Mitsubishi Gas Chemical Company, Inc. | 3460 |
45 |
| Air Products and Chemicals, Inc. | 1417 |
40 |
| Other owners | 5206 |