- 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: 398
10-year publication summary
|
49
|
33
|
35
|
27
|
34
|
42
|
30
|
26
|
11
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stoneage, Inc. | 235 |
11 |
| Clearflow, Inc. | 61 |
10 |
| Milwaukee Electric Tool Corporation | 4321 |
10 |
| Emerson Electric Co. | 553 |
7 |
| TDW Delaware, Inc. | 167 |
7 |
| Saudi Arabian Oil Company | 12947 |
6 |
| Tri-State Environmental, LLC | 18 |
6 |
| Automatic Coating Limited | 40 |
5 |
| Mac & Mac Hydrodemolition Inc. | 43 |
5 |
| Ridge Tool Company | 130 |
5 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42389 |
4 |
| Boston Scientific Scimed, Inc. | 10208 |
4 |
| Actuated Medical, Inc. | 66 |
4 |
| Crossford International, LLC | 87 |
4 |
| Petroleo Brasileiro S.A. - Petrobras | 841 |
4 |
| Qinterra Technologies AS | 38 |
4 |
| Rosen Swiss AG | 88 |
4 |
| Quest Integrity Group LLC | 17 |
4 |
| Imagination Products Corporation | 20 |
4 |
| SunMed Group Holdings, LLC | 242 |
4 |
| Other owners | 286 |