- All sections
- E - Fixed constructions
- E02B - Hydraulic engineering
- E02B 11/02 - Drainage-device-laying apparatus, e.g. drainage ploughs
Patent holdings for IPC class E02B 11/02
Total number of patents in this class: 28
10-year publication summary
|
3
|
3
|
3
|
2
|
2
|
7
|
1
|
5
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Keller North America, Inc. | 18 |
3 |
| American Piledriving Equipment, Inc. | 61 |
2 |
| Infiltrator Water Technologies, LLC | 53 |
2 |
| SandSave, LLC | 4 |
2 |
| Hon Hai Precision Industry Co., Ltd. | 4019 |
1 |
| AECOM Technical Services, Inc. | 6 |
1 |
| Ag Leader Technology, Inc. | 111 |
1 |
| Anhui Agricultural University | 58 |
1 |
| Baggermaatschappij Boskalis B.V. | 45 |
1 |
| Chesapeake Operating, Inc. | 3 |
1 |
| Claussen Technology, LLC | 17 |
1 |
| HongFuJin Precision Electronics (Zhengzhou) Co., Ltd. | 87 |
1 |
| Soil-max, Inc. | 4 |
1 |
| Tensar Technologies Limited | 31 |
1 |
| Hong Kong Applied Science and Technology Research Institute Co., Ltd. | 953 |
1 |
| Jiangsu Shangqi Group Co., Ltd. | 4 |
1 |
| Novoter AG | 2 |
1 |
| Ditjet Holdings Pty LTD | 1 |
1 |
| Capillary Concrete, LLC | 16 |
1 |
| Ditjet Intellectual Property Pty Limited | 1 |
1 |
| Other owners | 3 |