- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 4/00 - Feed devices; Feed or outlet control devices
Patent holdings for IPC class B01J 4/00
Total number of patents in this class: 1525
10-year publication summary
|
126
|
100
|
108
|
139
|
121
|
166
|
144
|
145
|
119
|
47
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 19740 |
40 |
| SABIC Global Technologies B.V. | 4044 |
33 |
| Watt Fuel Cell Corp. | 122 |
33 |
| Chevron Phillips Chemical Company LP | 1779 |
29 |
| LG Chem, Ltd. | 17205 |
28 |
| Uop LLC | 4083 |
22 |
| IFP Energies Nouvelles | 2717 |
22 |
| ExxonMobil Chemical Patents Inc. | 4286 |
20 |
| Ecolab USA Inc. | 5190 |
20 |
| Dow Global Technologies LLC | 10147 |
18 |
| Borealis AG | 2558 |
15 |
| Crititech, Inc. | 76 |
14 |
| Tokyo Electron Limited | 11599 |
13 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
13 |
| Fujikin Incorporated | 671 |
11 |
| NOVA Chemicals (International) S.A. | 717 |
11 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
10 |
| Applied Materials, Inc. | 16587 |
9 |
| Chevron U.S.A. Inc. | 3774 |
9 |
| Basell Polyolefine GmbH | 575 |
9 |
| Other owners | 1146 |