- 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 13/00 - Arrangements for obstructing or restricting traffic, e.g. gates, barricades
Patent holdings for IPC class E01F 13/00
Total number of patents in this class: 212
10-year publication summary
|
11
|
18
|
22
|
29
|
17
|
11
|
14
|
8
|
3
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Traffix Devices, Inc. | 177 |
10 |
| Lindsay Transportation Solutions, LLC | 112 |
10 |
| McCue Corporation | 97 |
7 |
| Neusch Innovations, LP | 49 |
7 |
| Energy Absorption Systems, Inc. | 43 |
5 |
| ATG Access Ltd. | 25 |
4 |
| The Chamberlain Group, Inc. | 122 |
4 |
| Kontek Industries, Inc. | 21 |
4 |
| MTR Technologies, Inc. | 5 |
4 |
| SKD Hi-Tec Co., Ltd. | 15 |
4 |
| Siemens Mobility, Inc. | 376 |
4 |
| Barrier Systems, Inc. | 7 |
3 |
| Concaten, Inc. | 72 |
3 |
| National Technology & Engineering Solutions of Sandia, LLC | 1954 |
3 |
| Systemes Versilis Inc. | 5 |
3 |
| Brigham Young University | 601 |
2 |
| Kabushiki Kaisha Top | 126 |
2 |
| Pacific Scientific Energetic Materials Company | 48 |
2 |
| Plastic Safety Systems, Inc. | 52 |
2 |
| Rite-Hite Holding Corporation | 675 |
2 |
| Other owners | 127 |