- All sections
- E - Fixed constructions
- E02B - Hydraulic engineering
- E02B 5/02 - Making or lining canals
Patent holdings for IPC class E02B 5/02
Total number of patents in this class: 67
10-year publication summary
|
3
|
6
|
3
|
4
|
9
|
5
|
2
|
2
|
2
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carpi Tech B.V. | 23 |
7 |
| Waskey Bridges, Inc. | 23 |
5 |
| American Leak Detection Irrigation, Inc. | 7 |
5 |
| ABT, Inc. | 96 |
4 |
| Institute of Mountain Hazards and Environment Chinese Academy of Sciences | 30 |
3 |
| Carpi Tech B.V. Amsterdam, Balerna Branch | 2 |
2 |
| GSE Environmental, LLC | 22 |
2 |
| Josam Company | 9 |
2 |
| Hagn Umwelttechnik GmbH | 2 |
2 |
| Guangdong Research Institute of Water Resources and Hydropower | 7 |
2 |
| ABT Foam, LLC | 4 |
1 |
| ACO, Inc. | 15 |
1 |
| Board of Trustees of Michigan State University | 1182 |
1 |
| Changzhou Huada Kejie Opto-Electro Instrument Co., LTD. | 43 |
1 |
| FastDitch, Inc. | 3 |
1 |
| GALE Pacific Limited | 32 |
1 |
| Geobrugg AG | 102 |
1 |
| Geotech Technologies Ltd. | 20 |
1 |
| NAUE GmbH & Co. KG | 28 |
1 |
| Nippon Steel & Sumikin Metal Products Co., Ltd. | 34 |
1 |
| Other owners | 23 |