- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 9
10-year publication summary
|
1
|
3
|
0
|
4
|
4
|
0
|
1
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BSH Hausgeräte GmbH | 5384 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| Mitsubishi Electric Corporation | 43934 |
1 |
| Crossford International, LLC | 87 |
1 |
| Elliott Tool Technologies Ltd. | 4 |
1 |
| The Kim Family Trust, a California trust, comprising Jeanne M. Kim, a U.S. citizen, The | 12 |
1 |
| Unidense Technology GmbH | 16 |
1 |
| Skorstensbolaget I Stockholm AB | 2 |
1 |
| Other owners | 0 |