- 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: 562
10-year publication summary
|
44
|
46
|
64
|
52
|
56
|
55
|
27
|
28
|
24
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dai Nippon Printing Co., Ltd. | 4267 |
11 |
| Saudi Arabian Oil Company | 14390 |
8 |
| Halliburton Energy Services, Inc. | 21299 |
7 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 49027 |
6 |
| Tokyo Electron Limited | 13956 |
6 |
| Olympus Corporation | 12900 |
6 |
| Empig AS | 12 |
6 |
| Rectorseal, LLC | 294 |
6 |
| LG Electronics Inc. | 76219 |
5 |
| Actuated Medical, Inc. | 68 |
5 |
| ConocoPhillips Company | 1717 |
5 |
| Ecolab USA Inc. | 5837 |
5 |
| Petroleo Brasileiro S.A. - Petrobras | 979 |
5 |
| General Electric Company | 13999 |
4 |
| Chevron U.S.A. Inc. | 4175 |
4 |
| Aerocore Technologies LLC | 15 |
4 |
| Avent, Inc. | 922 |
4 |
| Clearflow, Inc. | 62 |
4 |
| Hydrochem LLC | 7 |
4 |
| Mac & Mac Hydrodemolition Inc. | 49 |
4 |
| Other owners | 453 |