- 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: 269
10-year publication summary
|
27
|
20
|
11
|
18
|
22
|
29
|
17
|
10
|
10
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Traffix Devices, Inc. | 181 |
12 |
| Lindsay Transportation Solutions, LLC | 73 |
10 |
| McCue Corporation | 85 |
7 |
| Neusch Innovations, LP | 42 |
7 |
| Energy Absorption Systems, Inc. | 53 |
6 |
| Kontek Industries, Inc. | 24 |
6 |
| The Chamberlain Group, Inc. | 159 |
4 |
| MTR Technologies, Inc. | 5 |
4 |
| SKD Hi-Tec Co., Ltd. | 13 |
4 |
| Siemens Mobility, Inc. | 329 |
4 |
| Battelle Memorial Institute | 2356 |
3 |
| Anson, Andrew Philip | 3 |
3 |
| ATG Access Ltd. | 20 |
3 |
| Barrier Systems, Inc. | 7 |
3 |
| Concaten, Inc. | 69 |
3 |
| Seguin, Marc-andre | 4 |
3 |
| National Technology & Engineering Solutions of Sandia, LLC | 1851 |
3 |
| The Chamberlain Group, LLC | 344 |
3 |
| Gauvin, Jean-philippe | 3 |
3 |
| Loiselle, Vincent Shebib | 3 |
3 |
| Other owners | 175 |