- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F22B - Methods of steam generation; steam boilers
- F22B 37/54 - De-sludging or blow-down devices
Patent holdings for IPC class F22B 37/54
Total number of patents in this class: 63
10-year publication summary
|
8
|
3
|
7
|
8
|
4
|
2
|
4
|
2
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Westinghouse Electric Company LLC | 1115 |
5 |
| SEB S.A. | 1602 |
4 |
| Dos Viejos Amigos, LLC | 5 |
4 |
| Stoneage, Inc. | 224 |
3 |
| Nooter/eriksen, Inc. | 64 |
3 |
| Brais Malouin and Associates Inc. | 2 |
2 |
| GREE Electric Appliances, Inc. of Zhuhai | 3154 |
2 |
| Ingenica Ingenierie Industrielle | 2 |
2 |
| International Paper Company | 814 |
2 |
| Miura Co., Ltd. | 290 |
2 |
| Power & Control Solutions, Inc. | 4 |
2 |
| Koninklijke Philips Electronics N.V. | 10844 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 29733 |
1 |
| Andritz Inc. | 337 |
1 |
| Arcelik A.S. | 3527 |
1 |
| Bang & Clean GmbH | 25 |
1 |
| Betser-zilevitch, Maoz | 13 |
1 |
| BORSIG GmbH | 17 |
1 |
| Boyle Energy Services & Technology, Inc. | 4 |
1 |
| BWXT Canada, Ltd. | 40 |
1 |
| Other owners | 23 |