- 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 3/04 - Rotary appliances having brushes
Patent holdings for IPC class F28G 3/04
Total number of patents in this class: 8
10-year publication summary
|
3
|
0
|
4
|
4
|
0
|
1
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BSH Hausgeräte GmbH | 5461 |
2 |
| Samsung Electronics Co., Ltd. | 139302 |
1 |
| Mitsubishi Electric Corporation | 44904 |
1 |
| Crossford International, LLC | 87 |
1 |
| The Kim Family Trust, a California trust, comprising Jeanne M. Kim, a U.S. citizen, The | 12 |
1 |
| Unidense Technology GmbH | 17 |
1 |
| Skorstensbolaget I Stockholm AB | 2 |
1 |
| Other owners | 0 |