- All sections
- B - Performing operationstransporting
- B08B - Cleaning in generalprevention of fouling in general
- B08B 9/027 - Cleaning the internal surfacesRemoval of blockages
Patent holdings for IPC class B08B 9/027
Total number of patents in this class: 552
10-year publication summary
|
65
|
44
|
46
|
64
|
52
|
55
|
54
|
27
|
27
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dai Nippon Printing Co., Ltd. | 4082 |
11 |
| Halliburton Energy Services, Inc. | 20891 |
7 |
| Saudi Arabian Oil Company | 13155 |
7 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42704 |
6 |
| Tokyo Electron Limited | 12712 |
6 |
| Olympus Corporation | 13182 |
6 |
| Empig AS | 12 |
6 |
| Rectorseal, LLC | 170 |
6 |
| LG Electronics Inc. | 73021 |
5 |
| Actuated Medical, Inc. | 68 |
5 |
| Ecolab USA Inc. | 5480 |
5 |
| Petroleo Brasileiro S.A. - Petrobras | 849 |
5 |
| General Electric Company | 13780 |
4 |
| Siemens AG | 24484 |
4 |
| Aerocore Technologies LLC | 13 |
4 |
| Avent, Inc. | 930 |
4 |
| Clearflow, Inc. | 61 |
4 |
| ConocoPhillips Company | 1673 |
4 |
| Hydrochem LLC | 7 |
4 |
| TDW Delaware, Inc. | 167 |
4 |
| Other owners | 445 |