- 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 3/52 - Ash-removing devices
Patent holdings for IPC class C10J 3/52
Total number of patents in this class: 140
10-year publication summary
|
7
|
10
|
7
|
7
|
9
|
8
|
8
|
7
|
5
|
2
|
| 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 |
12 |
| Uhde GmbH | 131 |
10 |
| Mitsubishi Power, Ltd. | 1760 |
10 |
| Mitsubishi Hitachi Power Systems, Ltd. | 993 |
8 |
| ThyssenKrupp Uhde GmbH | 331 |
8 |
| Siemens AG | 24525 |
4 |
| Shell Internationale Research Maatschappij B.V. | 3551 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8685 |
4 |
| Gas Technology Institute | 354 |
4 |
| Lummus Technology Inc. | 306 |
4 |
| Aries Clean Technologies, LLC | 21 |
4 |
| General Electric Company | 13829 |
3 |
| CCG Energy Technology Company Ltd. | 12 |
3 |
| ThyssenKrupp Industrial Solutions AG | 632 |
3 |
| UPM-Kymmene Corporation | 937 |
3 |
| Korea Institute of Energy Research | 849 |
2 |
| Linde Aktiengesellschaft | 1517 |
2 |
| Aries Gasification, LLC | 19 |
2 |
| Sumitomo Shi FW Energia Oy | 57 |
2 |
| GIDARA Energy B.V. | 18 |
2 |
| Other owners | 46 |