- All sections
- C - Chemistry; metallurgy
- C10J - Production of gases containing carbon monoxide and hydrogen from solid carbonaceous materials by partial oxidation processes involving oxygen or steam ; carburetting air or other gases
- C10J 3/84 - Gas withdrawal means with means for removing dust or tar from the gas
Patent holdings for IPC class C10J 3/84
Total number of patents in this class: 489
10-year publication summary
|
39
|
37
|
32
|
42
|
27
|
34
|
38
|
38
|
27
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Air Products and Chemicals, Inc. | 1448 |
41 |
| Aries Clean Technologies, LLC | 21 |
14 |
| Mawetal LLC | 37 |
11 |
| ThermoChem Recovery International, Inc. | 95 |
10 |
| General Electric Company | 18133 |
8 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
8 |
| Siemens AG | 24990 |
7 |
| InEnTec Inc. | 36 |
7 |
| Lummus Technology Inc. | 322 |
7 |
| Torrgas Technology B.V. | 14 |
7 |
| Sundrop IP Holdings, LLC | 16 |
7 |
| Gas Technology Institute | 374 |
6 |
| Saudi Arabian Oil Company | 11322 |
6 |
| Shell Oil Company | 2196 |
5 |
| 8 Rivers Capital, LLC | 224 |
5 |
| A.g.t. SRL | 8 |
5 |
| Huaneng Clean Energy Research Institute | 345 |
5 |
| Aries Gasification, LLC | 21 |
5 |
| Meva Energy AB | 7 |
5 |
| Jupeng Bio (HK) Limited | 48 |
5 |
| Other owners | 315 |