- 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 13/12 - Arrangements for obstructing or restricting traffic, e.g. gates, barricades for forcibly arresting or disabling vehicles, e.g. spiked mats
Patent holdings for IPC class E01F 13/12
Total number of patents in this class: 252
10-year publication summary
|
13
|
42
|
46
|
41
|
30
|
23
|
26
|
23
|
18
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Neusch Innovations, LP | 48 |
23 |
| ATG Access Ltd. | 25 |
19 |
| Delta Scientific Corporation | 16 |
8 |
| Roadshark International Inc. | 7 |
7 |
| Gme Springs Limited | 10 |
7 |
| Heald Technologies Ltd. | 13 |
6 |
| Pacific Scientific Energetic Materials Company (Arizona) LLC | 7 |
6 |
| Engineered Arresting Systems Corporation | 38 |
5 |
| Guardiar Europe | 11 |
5 |
| The United States of America as represented by the Secretary of the Army | 1253 |
4 |
| Engineering Science Analysis Corporation | 10 |
4 |
| Pacific Scientific Energetic Materials Company | 48 |
4 |
| Viken Detection Corporation | 64 |
4 |
| Pitagone | 4 |
4 |
| Meridian Rapid Defense Group LLC | 20 |
4 |
| Klozmann | 4 |
4 |
| Ympäristöpalvelut Tuominen Oy | 4 |
4 |
| Hill & Smith Limited | 22 |
3 |
| Stop STICK, Ltd. | 11 |
3 |
| Guardiar Europe BVBA | 28 |
3 |
| Other owners | 125 |