- 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 |