- All sections
- B - Performing operationstransporting
- B08B - Cleaning in generalprevention of fouling in general
- B08B 9/04 - Cleaning the internal surfacesRemoval of blockages using cleaning devices introduced into and moved along the pipes
Patent holdings for IPC class B08B 9/04
Total number of patents in this class: 406
10-year publication summary
|
33
|
35
|
27
|
34
|
43
|
31
|
28
|
14
|
18
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stoneage, Inc. | 285 |
14 |
| Clearflow, Inc. | 62 |
11 |
| Milwaukee Electric Tool Corporation | 5121 |
11 |
| Saudi Arabian Oil Company | 14469 |
11 |
| Tri-State Environmental, LLC | 21 |
8 |
| Emerson Electric Co. | 506 |
7 |
| TDW Delaware, Inc. | 165 |
7 |
| Automatic Coating Limited | 44 |
5 |
| Crossford International, LLC | 92 |
5 |
| GI Scientific, LLC | 75 |
5 |
| Mac & Mac Hydrodemolition Inc. | 49 |
5 |
| Ridge Tool Company | 133 |
5 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 49884 |
4 |
| Boston Scientific Scimed, Inc. | 11385 |
4 |
| Actuated Medical, Inc. | 68 |
4 |
| Enz Technik AG | 17 |
4 |
| Petroleo Brasileiro S.A. - Petrobras | 985 |
4 |
| Rosen Swiss AG | 84 |
4 |
| Imagination Products Corporation | 18 |
4 |
| SunMed Group Holdings, LLC | 194 |
4 |
| Other owners | 280 |