- 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 3/52 - Ash-removing devices
Patent holdings for IPC class C10J 3/52
Total number of patents in this class: 134
10-year publication summary
10
|
7
|
10
|
7
|
7
|
9
|
8
|
8
|
5
|
1
|
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 |
11 |
Uhde GmbH | 172 |
10 |
Mitsubishi Power, Ltd. | 1680 |
10 |
ThyssenKrupp Uhde GmbH | 211 |
9 |
Mitsubishi Hitachi Power Systems, Ltd. | 999 |
8 |
Shell Internationale Research Maatschappij B.V. | 3792 |
5 |
Siemens AG | 24990 |
4 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
4 |
CCG Energy Technology Company Ltd. | 14 |
4 |
Gas Technology Institute | 374 |
4 |
Lummus Technology Inc. | 322 |
4 |
Aries Clean Technologies, LLC | 21 |
4 |
General Electric Company | 18133 |
3 |
ThyssenKrupp Industrial Solutions AG | 729 |
3 |
UPM-Kymmene Corporation | 868 |
3 |
Korea Institute of Energy Research | 803 |
2 |
Linde Aktiengesellschaft | 1600 |
2 |
Aries Gasification, LLC | 21 |
2 |
United Technologies Corporation | 2328 |
1 |
Aerojet Rocketdyne of DE, Inc. | 23 |
1 |
Other owners | 40 |