- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 3/02 - Feed or outlet devices therefor
Patent holdings for IPC class B01J 3/02
Total number of patents in this class: 322
10-year publication summary
|
18
|
18
|
11
|
31
|
28
|
17
|
22
|
26
|
17
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stamicarbon B.V. | 316 |
10 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11021 |
9 |
| Crititech, Inc. | 74 |
9 |
| Dow Global Technologies LLC | 10845 |
8 |
| Sumitomo Metal Mining Co., Ltd. | 1945 |
8 |
| Saudi Arabian Oil Company | 13956 |
7 |
| Valmet AB | 541 |
7 |
| Nanjing Yanchang Reaction Technology Research Institute Co. Ltd | 120 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 9041 |
5 |
| Basell Polyolefine GmbH | 520 |
4 |
| Uop LLC | 4330 |
3 |
| Chevron Phillips Chemical Company LP | 1862 |
3 |
| The Chugoku Electric Power Co., Inc. | 514 |
3 |
| Gem Co., Ltd. | 354 |
3 |
| Hiroshima University | 580 |
3 |
| INVISTA Technologies S.a.r.l. | 399 |
3 |
| The Japan Steel Works, Ltd. | 801 |
3 |
| Picosun Oy | 157 |
3 |
| ThyssenKrupp Uhde GmbH | 377 |
3 |
| Yara International ASA | 882 |
3 |
| Other owners | 219 |