- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their 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: 258
10-year publication summary
|
16
|
19
|
17
|
13
|
20
|
19
|
20
|
17
|
20
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Valmet AB | 463 |
13 |
| BASF SE | 19740 |
6 |
| LG Chem, Ltd. | 17205 |
6 |
| ExxonMobil Chemical Patents Inc. | 4286 |
6 |
| Arlanxeo Deutschland GmbH | 302 |
6 |
| Alliance BioEnergy Plus, Inc. | 9 |
6 |
| The Japan Steel Works, Ltd. | 597 |
4 |
| McAlister Technologies, LLC | 127 |
4 |
| Uhde Inventa-Fischer GmbH | 131 |
4 |
| Tricoya Technologies Ltd | 41 |
4 |
| Buss-sms-canzler GmbH | 11 |
3 |
| EcoGensus LLC | 44 |
3 |
| Lanxess International SA | 20 |
3 |
| M. Technique Co., Ltd. | 237 |
3 |
| ThyssenKrupp AG | 3086 |
3 |
| Uhde High Pressure Technologies GmbH | 31 |
3 |
| Montauk AG Renewables, LLC | 5 |
3 |
| Honeywell International Inc. | 13799 |
2 |
| Ericsson | 20417 |
2 |
| Bayer AG | 3045 |
2 |
| Other owners | 172 |