- All sections
- B - Performing operationstransporting
- B08B - Cleaning in generalprevention of fouling in general
- B08B 9/045 - Cleaning the internal surfacesRemoval of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes the cleaning devices being rotated while moved
Patent holdings for IPC class B08B 9/045
Total number of patents in this class: 237
10-year publication summary
|
21
|
29
|
32
|
36
|
35
|
37
|
31
|
25
|
16
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Milwaukee Electric Tool Corporation | 4310 |
44 |
| Ridge Tool Company | 130 |
22 |
| Stoneage, Inc. | 235 |
7 |
| Emerson Electric Co. | 554 |
6 |
| Picote Solutions Oy Ltd. | 21 |
5 |
| Black & Decker, Inc. | 2408 |
4 |
| Aker Well Service AS | 21 |
4 |
| Chevron Phillips Chemical Company LP | 1836 |
4 |
| Petroleo Brasileiro S.A. - Petrobras | 836 |
4 |
| Rothenberger AG | 113 |
4 |
| Picote Solutions Inc. | 17 |
4 |
| LG Chem, Ltd. | 17581 |
3 |
| BTG Bioliquids B.V. | 10 |
3 |
| Crossford International, LLC | 87 |
3 |
| LOBBE Industrieservice GmbH & Co KG | 19 |
3 |
| Picote Oy Ltd | 30 |
3 |
| Rotobrush International LLC | 6 |
3 |
| Emerson Professional Tools, LLC. | 26 |
3 |
| Coperion GmbH | 153 |
2 |
| Harr Technologies, LLC | 2 |
2 |
| Other owners | 104 |