- All sections
- B - Performing operations; transporting
- B08B - Cleaning in general; prevention of fouling in general
- B08B 9/04 - Cleaning the internal surfaces; Removal 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: 416
10-year publication summary
|
25
|
49
|
33
|
35
|
27
|
34
|
41
|
28
|
22
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Clearflow, Inc. | 62 |
10 |
| Stoneage, Inc. | 224 |
10 |
| Emerson Electric Co. | 601 |
9 |
| Milwaukee Electric Tool Corporation | 3572 |
7 |
| TDW Delaware, Inc. | 163 |
7 |
| Tri-State Environmental, LLC | 16 |
6 |
| Automatic Coating Limited | 37 |
5 |
| Crossford International, LLC | 87 |
5 |
| Ridge Tool Company | 127 |
5 |
| Rosen Swiss AG | 128 |
5 |
| Saudi Arabian Oil Company | 11322 |
5 |
| Quest Integrity Group LLC | 30 |
5 |
| Actuated Medical, Inc. | 64 |
4 |
| Mac & Mac Hydrodemolition Inc. | 48 |
4 |
| Petroleo Brasileiro S.A. - Petrobras | 730 |
4 |
| Qinterra Technologies AS | 38 |
4 |
| Imagination Products Corporation | 21 |
4 |
| SunMed Group Holdings, LLC | 213 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
3 |
| Boston Scientific Scimed, Inc. | 8794 |
3 |
| Other owners | 307 |