- All sections
- B - Performing operationstransporting
- B08B - Cleaning in generalprevention of fouling in general
- B08B 9/051 - Cleaning the internal surfacesRemoval of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes the cleaning devices having motors for powering cleaning tools
Patent holdings for IPC class B08B 9/051
Total number of patents in this class: 73
10-year publication summary
|
2
|
2
|
7
|
9
|
9
|
9
|
6
|
3
|
8
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GE Infrastructure Technology, LLC | 6114 |
4 |
| China University of Mining and Technology | 1225 |
3 |
| Eliot Systems, S.L. | 6 |
3 |
| ENI S.p.A. | 1250 |
3 |
| Petroleo Brasileiro S.A. - Petrobras | 782 |
3 |
| Universidade Federal do Rio Grande do Sul - Ufrgs | 91 |
3 |
| Welltec AS | 297 |
3 |
| Xuzhou Zhirun Mining Equipment Science and Technology Co., Ltd. | 31 |
3 |
| GAUS Co., Ltd. | 2 |
2 |
| IBS Engineering Co., Ltd. | 2 |
2 |
| Institute of Semiconductors, Chinese Academy of Sciences | 89 |
2 |
| Qinterra Technologies AS | 38 |
2 |
| Saudi Arabian Oil Company | 12446 |
2 |
| Guangzhou Shipyard International Company Limited | 186 |
2 |
| Luisa Anne Sivacoe | 7 |
2 |
| International Business Machines Corporation | 60129 |
1 |
| Aquajet Ltd. | 1 |
1 |
| BP Corporation North America Inc. | 764 |
1 |
| Catholic Kwandong University Industry Foundation | 81 |
1 |
| China University of Petroleum (East China) | 347 |
1 |
| Other owners | 29 |