- 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 15/04 - Feeding or driving arrangements, e.g. power operation
Patent holdings for IPC class F28G 15/04
Total number of patents in this class: 152
10-year publication summary
|
17
|
29
|
13
|
13
|
9
|
13
|
10
|
7
|
7
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stoneage, Inc. | 279 |
48 |
| Peinemann Equipment B.V. | 18 |
9 |
| LOBBE Industrieservice GmbH & Co KG | 19 |
7 |
| Westinghouse Electric Company LLC | 1195 |
7 |
| Clyde Bergemann, Inc. | 9 |
4 |
| Martin GmbH fur Umwelt-und Energietechnik | 50 |
3 |
| USA DeBusk LLC | 17 |
3 |
| Tube Tech Industrial Limited | 13 |
3 |
| JSI (de), LLC | 4 |
3 |
| Arts | 19 |
2 |
| Clyde Bergemann GmbH Maschinen-Und Apparatebau | 11 |
2 |
| Geesco Co., Ltd. | 18 |
2 |
| Hitachi Zosen Corporation | 590 |
2 |
| Rotobrush International LLC | 11 |
2 |
| Soottech Aktiebolag | 3 |
2 |
| Diamond Power International, LLC | 48 |
2 |
| Amerapex NDT LLC | 6 |
2 |
| Sivacoe, Luisa Anne | 5 |
2 |
| BC Taechan Industrial Corp. | 3 |
2 |
| a X System | 3 |
2 |
| Other owners | 43 |