- All sections
- E - Fixed constructions
- E01F - Additional work, such as equipping roads or the construction of platforms, helicopter landing stages, signs, snow fences, or the like
- E01F 5/00 - Draining the sub-base of roads or ballastway of railways by trenches, culverts, or conduits
Patent holdings for IPC class E01F 5/00
Total number of patents in this class: 121
10-year publication summary
|
11
|
13
|
13
|
8
|
14
|
7
|
14
|
7
|
8
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Contech Engineered Solutions LLC | 280 |
10 |
| AIL International Inc. | 68 |
7 |
| ABT, Inc. | 98 |
6 |
| Strata Innovations Pty Limited | 47 |
5 |
| Jensen Enterprises, Inc. | 16 |
4 |
| Nicolon Corporation | 58 |
4 |
| StormTrap LLC | 34 |
4 |
| Xylem Water Solutions Zelienople LLC | 83 |
4 |
| Fresh Creek Technologies, LLC. | 9 |
3 |
| Cur-tech, LLC | 9 |
2 |
| S & P Clever Reinforcement Company AG | 24 |
2 |
| Techo-Bloc Inc. | 53 |
2 |
| LowSpan LLC | 4 |
2 |
| Homebridge Precast, LLC | 5 |
2 |
| Teracells Inc. | 4 |
2 |
| ACO, Inc. | 17 |
1 |
| Advanced Drainage Systems, Inc. | 403 |
1 |
| Aqseptence Group, Inc. | 79 |
1 |
| Astral Property Pty Ltd | 4 |
1 |
| Atlantic Industries Limited | 6 |
1 |
| Other owners | 57 |