- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28G - Cleaning of internal or external surfaces of heat-exchange or heat-transfer conduits, e.g. water tubes of boilers
- F28G 15/06 - Automatic reversing devices
Patent holdings for IPC class F28G 15/06
Total number of patents in this class: 17
10-year publication summary
|
3
|
1
|
0
|
3
|
3
|
3
|
0
|
1
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LOBBE Industrieservice GmbH & Co KG | 19 |
7 |
| Stoneage, Inc. | 285 |
4 |
| Alstom Technology Ltd | 1030 |
1 |
| GREE Electric Appliances, Inc. of Zhuhai | 3327 |
1 |
| Integrated Test & Measurement (ITM), LLC | 8 |
1 |
| Tube Tech International Limited | 11 |
1 |
| Tube Tech Industrial Limited | 13 |
1 |
| Huaneng Yakeshi Power Generation Co., Ltd | 17 |
1 |
| Other owners | 0 |