- 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 15/02 - Supports for cleaning appliances, e.g. frames
Patent holdings for IPC class F28G 15/02
Total number of patents in this class: 135
10-year publication summary
|
23
|
17
|
16
|
12
|
14
|
14
|
6
|
4
|
6
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stoneage, Inc. | 285 |
49 |
| Peinemann Equipment B.V. | 18 |
7 |
| LOBBE Industrieservice GmbH & Co KG | 19 |
4 |
| JSI (de), LLC | 4 |
4 |
| USA DeBusk LLC | 17 |
3 |
| Tube Tech Industrial Limited | 13 |
3 |
| Arts | 19 |
2 |
| Clyde Bergemann, Inc. | 9 |
2 |
| Horton, Inc. | 127 |
2 |
| Martin GmbH fur Umwelt-und Energietechnik | 49 |
2 |
| Tube Tech International Limited | 11 |
2 |
| Westinghouse Electric Company LLC | 1198 |
2 |
| MYCON GmbH | 11 |
2 |
| BC Taechan Industrial Corp. | 3 |
2 |
| a X System | 3 |
2 |
| Hamilton Sundstrand Corporation | 5013 |
1 |
| Kawasaki Heavy Industries, Limited | 1705 |
1 |
| The Arizona Board of Regents on Behalf of the University of Arizona | 2322 |
1 |
| Babcock Power Services, Inc. | 23 |
1 |
| BDR Thermea Group B.V. | 183 |
1 |
| Other owners | 42 |