- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their 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: 285
10-year publication summary
|
12
|
18
|
18
|
11
|
31
|
28
|
16
|
20
|
21
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Commissariat à l'énergie atomique et aux energies alternatives | 10692 |
9 |
| Crititech, Inc. | 80 |
8 |
| Sumitomo Metal Mining Co., Ltd. | 1730 |
8 |
| Dow Global Technologies LLC | 10156 |
7 |
| Saudi Arabian Oil Company | 12446 |
7 |
| Stamicarbon B.V. | 276 |
6 |
| Valmet AB | 495 |
6 |
| Nanjing Yanchang Reaction Technology Research Institute Co. Ltd | 120 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 8538 |
5 |
| Basell Polyolefine GmbH | 554 |
4 |
| Tokyo Electron Limited | 12115 |
3 |
| Uop LLC | 4188 |
3 |
| Chevron Phillips Chemical Company LP | 1817 |
3 |
| The Chugoku Electric Power Co., Inc. | 505 |
3 |
| Hiroshima University | 543 |
3 |
| INVISTA Technologies S.a.r.l. | 427 |
3 |
| Picosun Oy | 137 |
3 |
| Toyo Koatsu Co., Ltd. | 25 |
3 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3015 |
3 |
| Chuden Plant Co., Ltd. | 21 |
3 |
| Other owners | 189 |