- 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 7/00 - Cleaning by vibration
Patent holdings for IPC class F28G 7/00
Total number of patents in this class: 136
10-year publication summary
|
8
|
10
|
12
|
8
|
12
|
14
|
4
|
9
|
5
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Altum Technologies Oy | 12 |
11 |
| Bang & Clean GmbH | 27 |
10 |
| Fractal Heatsink Technologies, LLC | 21 |
9 |
| Shell Internationale Research Maatschappij B.V. | 3387 |
6 |
| Explo Engineering AG | 20 |
6 |
| Hitachi Zosen iNova AG | 43 |
4 |
| Martin GmbH fur Umwelt-und Energietechnik | 49 |
4 |
| Air Products and Chemicals, Inc. | 1470 |
3 |
| Kawasaki Heavy Industries, Limited | 1693 |
3 |
| Heatcraft Refrigeration Products LLC | 282 |
3 |
| HS Marston Aerospace Ltd. | 39 |
3 |
| Infrafone AB | 3 |
3 |
| Illinois Tool Works Inc. | 11867 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 9188 |
2 |
| Mitsubishi Electric Corporation | 48287 |
2 |
| Foster Wheeler Energia Oy | 42 |
2 |
| Zhejiang Sci-Tech University | 106 |
2 |
| Rüegg, Hans | 2 |
2 |
| Sumitomo Shi FW Energia Oy | 62 |
2 |
| Conservator Tyche Beheer B.V. | 2 |
2 |
| Other owners | 55 |