- All sections
- E - Fixed constructions
- E01C - Construction of, or surfaces for, roads, sports grounds, or the likemachines or auxiliary tools for construction or repair
- E01C 11/22 - GuttersKerbs
Patent holdings for IPC class E01C 11/22
Total number of patents in this class: 372
10-year publication summary
|
25
|
41
|
39
|
39
|
38
|
27
|
37
|
31
|
33
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pierburg GmbH | 471 |
14 |
| ABT, Inc. | 99 |
13 |
| ACO Severin Ahlmann GmbH & Co. KG | 94 |
13 |
| Brock USA, LLC | 60 |
8 |
| The Boeing Company | 20102 |
7 |
| Washington State University | 493 |
7 |
| Strata Innovations Pty Limited | 47 |
6 |
| ACO Ahlmann SE & Co. KG | 296 |
6 |
| Zurn Water, LLC | 259 |
5 |
| Shaw & Sons, Inc. | 37 |
4 |
| TenCate Grass Holding B.V. | 26 |
4 |
| Vertedge Limited | 11 |
4 |
| The United States of America as represented by the Secretary of the Navy | 2814 |
3 |
| Advanced Drainage Systems, Inc. | 368 |
3 |
| Colas | 159 |
3 |
| James A. Alfieri, III | 4 |
3 |
| Keystone Retaining Wall Systems LLC | 203 |
3 |
| Oxford Plastic Systems Limited | 43 |
3 |
| PermaLoc Corporation | 22 |
3 |
| Quality Mat Company | 43 |
3 |
| Other owners | 257 |