- All sections
- B - Performing operations; transporting
- B08B - Cleaning in general; prevention of fouling in general
- B08B 9/049 - Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes
Patent holdings for IPC class B08B 9/049
Total number of patents in this class: 144
10-year publication summary
|
10
|
15
|
11
|
16
|
11
|
13
|
20
|
11
|
11
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stoneage, Inc. | 224 |
11 |
| Petroleo Brasileiro S.A. - Petrobras | 730 |
5 |
| Universidade Federal do Rio Grande do Sul - Ufrgs | 92 |
5 |
| Saudi Arabian Oil Company | 11322 |
4 |
| Seescan, Inc. | 457 |
4 |
| GE Infrastructure Technology, LLC | 5873 |
4 |
| Aquateq Sweden AB | 25 |
3 |
| Diversey, Inc. | 961 |
3 |
| No-des, Inc. | 13 |
3 |
| Vln Advanced Technologies Inc. | 32 |
3 |
| U.S. Submergent Technologies, LLC | 23 |
3 |
| Tri-State Environmental, LLC | 16 |
3 |
| Atam Group Limited | 6 |
3 |
| Alfred Kärcher GmbH & Co. KG | 398 |
2 |
| Empig AS | 11 |
2 |
| Enz Technik AG | 16 |
2 |
| HiBot Corp. | 31 |
2 |
| iPEK International GmbH | 23 |
2 |
| Liqui-Force Services (Ontario) Inc. | 11 |
2 |
| LOBBE Industrieservice GmbH & Co KG | 19 |
2 |
| Other owners | 76 |