- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 53/00 - 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
Patent holdings for IPC class B01D 53/00
Total number of patents in this class: 2441
10-year publication summary
|
119
|
143
|
186
|
190
|
163
|
195
|
211
|
201
|
204
|
174
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
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 | 3992 |
108 |
| Saudi Arabian Oil Company | 13316 |
39 |
| Uop LLC | 4242 |
36 |
| Shell Internationale Research Maatschappij B.V. | 3549 |
26 |
| Samsung Electronics Co., Ltd. | 147334 |
23 |
| Air Products and Chemicals, Inc. | 1441 |
22 |
| Linde Aktiengesellschaft | 1498 |
20 |
| BASF SE | 20961 |
18 |
| U.S. Bank Trust Co National Association | 75 |
18 |
| LG Chem, Ltd. | 17643 |
15 |
| Edwards Limited | 793 |
14 |
| Huaneng Clean Energy Research Institute | 450 |
14 |
| Twister B.V. | 41 |
14 |
| ExxonMobil Upstream Research Company | 2395 |
13 |
| IFP Energies Nouvelles | 2948 |
13 |
| Microjet Technology Co., Ltd. | 449 |
13 |
| Alstom Technology Ltd | 1096 |
12 |
| Molekule Group, Inc. | 50 |
12 |
| Hyundai Motor Company | 22200 |
11 |
| General Electric Technology GmbH | 1373 |
11 |
| Other owners | 1989 |