- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 4/00 - Feed devicesFeed or outlet control devices
Patent holdings for IPC class B01J 4/00
Total number of patents in this class: 1769
10-year publication summary
|
108
|
139
|
121
|
166
|
146
|
149
|
140
|
133
|
132
|
78
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SABIC Global Technologies B.V. | 4597 |
48 |
| BASF SE | 21303 |
40 |
| LG Chem, Ltd. | 17921 |
33 |
| Watt Fuel Cell Corp. | 171 |
33 |
| Chevron Phillips Chemical Company LP | 1861 |
29 |
| Uop LLC | 4393 |
23 |
| ExxonMobil Chemical Patents Inc. | 3776 |
22 |
| IFP Energies Nouvelles | 3098 |
22 |
| Dow Global Technologies LLC | 10944 |
20 |
| Ecolab USA Inc. | 5796 |
19 |
| Crititech, Inc. | 74 |
15 |
| Shell Internationale Research Maatschappij B.V. | 3403 |
14 |
| Borealis AG | 2737 |
13 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4117 |
12 |
| Yara International ASA | 900 |
12 |
| Tokyo Electron Limited | 13807 |
11 |
| Fujikin Incorporated | 696 |
11 |
| NOVA Chemicals (International) S.A. | 797 |
11 |
| Applied Materials, Inc. | 20375 |
10 |
| Chevron U.S.A. Inc. | 4140 |
10 |
| Other owners | 1361 |