- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 19/20 - Stationary reactors having moving elements inside in the form of helices, e.g. screw reactors
Patent holdings for IPC class B01J 19/20
Total number of patents in this class: 302
10-year publication summary
|
17
|
13
|
20
|
19
|
21
|
18
|
22
|
23
|
23
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Valmet AB | 553 |
14 |
| The Japan Steel Works, Ltd. | 807 |
10 |
| LG Chem, Ltd. | 17920 |
6 |
| ExxonMobil Chemical Patents Inc. | 3800 |
6 |
| BASF SE | 21294 |
5 |
| Alliance BioEnergy Plus, Inc. | 9 |
5 |
| Apalta Patents OU | 10 |
5 |
| McAlister Technologies, LLC | 125 |
4 |
| Montauk AG Renewables, LLC | 6 |
4 |
| Arlanxeo Deutschland GmbH | 278 |
3 |
| Buss-sms-canzler GmbH | 12 |
3 |
| EcoGensus LLC | 36 |
3 |
| Lanxess International SA | 20 |
3 |
| M. Technique Co., Ltd. | 252 |
3 |
| POSCO Co., Ltd. | 1957 |
3 |
| Research Institute of Industrial Science & Technology | 551 |
3 |
| ThyssenKrupp AG | 3462 |
3 |
| Uhde High Pressure Technologies GmbH | 32 |
3 |
| Uhde Inventa-Fischer GmbH | 123 |
3 |
| Siemens Energy Global GmbH & Co. KG | 3315 |
3 |
| Other owners | 210 |