- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 53/00 - 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
Patent holdings for IPC class B01D 53/00
Total number of patents in this class: 2133
10-year publication summary
|
123
|
123
|
154
|
194
|
202
|
165
|
201
|
216
|
200
|
72
|
| 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 |
76 |
| Saudi Arabian Oil Company | 11322 |
35 |
| Uop LLC | 4083 |
27 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
26 |
| Samsung Electronics Co., Ltd. | 131630 |
20 |
| Linde Aktiengesellschaft | 1600 |
20 |
| Air Products and Chemicals, Inc. | 1448 |
18 |
| U.S. Bank Trust Co National Association | 78 |
18 |
| Twister B.V. | 49 |
17 |
| Alstom Technology Ltd | 1196 |
15 |
| BASF SE | 19740 |
14 |
| L'Air Liquide, Societe Anonyme pour L'etude et L'exploitation des Proced ES Georges Claude | 296 |
14 |
| LG Chem, Ltd. | 17205 |
13 |
| ExxonMobil Upstream Research Company | 2525 |
13 |
| General Electric Technology GmbH | 1657 |
13 |
| IFP Energies Nouvelles | 2717 |
11 |
| Molekule, Inc. | 45 |
11 |
| BASF Corporation | 2039 |
10 |
| Edwards Limited | 764 |
10 |
| Johnson Matthey Public Limited Company | 1852 |
10 |
| Other owners | 1742 |