- All sections
- B - Performing operations; transporting
- B08B - Cleaning in general; prevention of fouling in general
- B08B 9/027 - Cleaning the internal surfaces; Removal of blockages
Patent holdings for IPC class B08B 9/027
Total number of patents in this class: 541
10-year publication summary
|
54
|
65
|
44
|
45
|
64
|
51
|
54
|
50
|
24
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dai Nippon Printing Co., Ltd. | 3891 |
12 |
| Halliburton Energy Services, Inc. | 20165 |
7 |
| Tokyo Electron Limited | 11599 |
7 |
| Saudi Arabian Oil Company | 11322 |
7 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
6 |
| Olympus Corporation | 13667 |
6 |
| Empig AS | 11 |
6 |
| LG Electronics Inc. | 69257 |
5 |
| Actuated Medical, Inc. | 64 |
5 |
| Avent, Inc. | 1007 |
5 |
| Ecolab USA Inc. | 5190 |
5 |
| Petroleo Brasileiro S.A. - Petrobras | 730 |
5 |
| General Electric Company | 18133 |
4 |
| Siemens AG | 24990 |
4 |
| Aerocore Technologies LLC | 11 |
4 |
| Clearflow, Inc. | 62 |
4 |
| Hydrochem LLC | 8 |
4 |
| TDW Delaware, Inc. | 163 |
4 |
| Universidade Federal do Rio Grande do Sul - Ufrgs | 92 |
4 |
| RS Acquisition Sub, LLC | 7 |
4 |
| Other owners | 433 |