- 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: 61
10-year publication summary
5
|
8
|
3
|
7
|
8
|
4
|
1
|
4
|
2
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
SEB S.A. | 1592 |
4 |
Westinghouse Electric Company LLC | 1087 |
4 |
Dos Viejos Amigos, LLC | 5 |
4 |
Stoneage, Inc. | 224 |
3 |
Nooter/eriksen, Inc. | 61 |
3 |
Brais Malouin and Associates Inc. | 2 |
2 |
Ingenica Ingenierie Industrielle | 2 |
2 |
International Paper Company | 857 |
2 |
Miura Co., Ltd. | 287 |
2 |
Power & Control Solutions, Inc. | 4 |
2 |
Koninklijke Philips Electronics N.V. | 13133 |
1 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
1 |
Andritz Inc. | 344 |
1 |
Arcelik A.S. | 3617 |
1 |
Bang & Clean GmbH | 21 |
1 |
Betser-zilevitch, Maoz | 13 |
1 |
BORSIG GmbH | 17 |
1 |
Boyle Energy Services & Technology, Inc. | 4 |
1 |
BWXT Canada, Ltd. | 39 |
1 |
BWXT Nuclear Energy, Inc. | 42 |
1 |
Other owners | 23 |