- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F22B - Methods of steam generation; steam boilers
- F22B 37/02 - Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
Patent holdings for IPC class F22B 37/02
Total number of patents in this class: 103
10-year publication summary
|
10
|
11
|
6
|
11
|
9
|
2
|
10
|
3
|
5
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 8217 |
14 |
| Mitsubishi Power, Ltd. | 1680 |
9 |
| Arvos Ljungstrom LLC | 43 |
6 |
| Nalco Company | 620 |
5 |
| General Electric Technology GmbH | 1657 |
4 |
| Skavis Corporation | 13 |
4 |
| Siemens AG | 24990 |
3 |
| Ecolab USA Inc. | 5190 |
3 |
| Castle European Limited | 7 |
3 |
| General Electric Company | 18133 |
2 |
| Siemens Energy, Inc. | 1770 |
2 |
| Enero Inventions | 5 |
2 |
| IFP Energies Nouvelles | 2717 |
2 |
| Mitsubishi Materials Corporation | 2378 |
2 |
| Technip France | 737 |
2 |
| WK Enterprises, LLC | 7 |
2 |
| GE Infrastructure Technology, LLC | 5873 |
2 |
| Enogia | 17 |
2 |
| Nooter/eriksen, Inc. | 61 |
2 |
| International Business Machines Corporation | 60644 |
1 |
| Other owners | 31 |