- All sections
- C - Chemistrymetallurgy
- 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: 519
10-year publication summary
|
37
|
32
|
42
|
27
|
34
|
39
|
39
|
29
|
27
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Air Products and Chemicals, Inc. | 1416 |
42 |
| Mawetal LLC | 39 |
15 |
| Aries Clean Technologies, LLC | 21 |
14 |
| ThermoChem Recovery International, Inc. | 99 |
12 |
| General Electric Company | 13829 |
8 |
| Siemens AG | 24525 |
7 |
| Shell Internationale Research Maatschappij B.V. | 3551 |
7 |
| InEnTec Inc. | 36 |
7 |
| Lummus Technology Inc. | 306 |
7 |
| Torrgas Technology B.V. | 14 |
7 |
| Gas Technology Institute | 354 |
6 |
| Saudi Arabian Oil Company | 12947 |
6 |
| Sundrop IP Holdings, LLC | 12 |
6 |
| Shell Oil Company | 2141 |
5 |
| 8 Rivers Capital, LLC | 252 |
5 |
| A.g.t. SRL | 8 |
5 |
| Huaneng Clean Energy Research Institute | 425 |
5 |
| SK Innovation Co., Ltd. | 1327 |
5 |
| Aries Gasification, LLC | 19 |
5 |
| LanzaTech, Inc. | 351 |
5 |
| Other owners | 340 |