- 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 3/48 - ApparatusPlants
Patent holdings for IPC class C10J 3/48
Total number of patents in this class: 581
10-year publication summary
|
41
|
41
|
33
|
33
|
38
|
34
|
28
|
28
|
24
|
23
|
| 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. | 1445 |
36 |
| Shell Internationale Research Maatschappij B.V. | 3553 |
23 |
| Mitsubishi Heavy Industries, Ltd. | 8787 |
20 |
| Mitsubishi Power, Ltd. | 1783 |
20 |
| ThermoChem Recovery International, Inc. | 99 |
17 |
| Siemens AG | 24386 |
16 |
| PCL Administration LLC | 19 |
15 |
| General Electric Company | 13859 |
13 |
| Eastman Chemical Company | 2207 |
11 |
| IHI Corporation | 3451 |
11 |
| Mitsubishi Hitachi Power Systems, Ltd. | 993 |
9 |
| Wormser Energy Solutions, Inc. | 17 |
9 |
| Gas Technology Institute | 348 |
8 |
| Changzheng Engineering Co., Ltd. | 18 |
7 |
| SK Innovation Co., Ltd. | 1359 |
7 |
| Aries Gasification, LLC | 19 |
7 |
| Sundrop IP Holdings, LLC | 12 |
7 |
| Kellogg Brown & Root LLC | 515 |
6 |
| ThyssenKrupp Uhde GmbH | 336 |
6 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10946 |
5 |
| Other owners | 328 |