- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F22B - Methods of steam generation; steam boilers
- F22B 37/50 - Devices or arrangements for removing water, minerals, or sludge from boilers for draining or expelling water
Patent holdings for IPC class F22B 37/50
Total number of patents in this class: 42
10-year publication summary
|
7
|
2
|
4
|
2
|
5
|
4
|
1
|
2
|
3
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BSH Hausgeräte GmbH | 5384 |
6 |
| Siemens AG | 24990 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
2 |
| Ansaldo Energia S.p.A. | 131 |
2 |
| Fccl Partnership | 38 |
2 |
| Guangdong University of Technology | 466 |
2 |
| IFP Energies Nouvelles | 2717 |
2 |
| International Paper Company | 857 |
2 |
| Toshiba Plant Systems & Services Corporation | 33 |
2 |
| Enogia | 17 |
2 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
2 |
| LG Electronics Inc. | 69257 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
| Panasonic Corporation | 20786 |
1 |
| Robert Bosch GmbH | 40953 |
1 |
| Whirlpool Corporation | 4238 |
1 |
| Chevron U.S.A. Inc. | 3774 |
1 |
| Airgas, Inc. | 140 |
1 |
| Automation Tech, Inc. | 2 |
1 |
| Cimarron Energy, Inc. | 19 |
1 |
| Other owners | 6 |