- 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 13/02 - Arrangements for obstructing or restricting traffic, e.g. gates, barricades free-standing
Patent holdings for IPC class E01F 13/02
Total number of patents in this class: 338
10-year publication summary
|
36
|
31
|
43
|
46
|
53
|
52
|
53
|
48
|
34
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Traffix Devices, Inc. | 181 |
10 |
| Lindsay Transportation Solutions, LLC | 73 |
9 |
| McCue Corporation | 85 |
8 |
| Rite-Hite Holding Corporation | 649 |
7 |
| Tensator Group Limited | 48 |
7 |
| Concaten, Inc. | 69 |
5 |
| Neusch Innovations, LP | 42 |
5 |
| Oxford Plastic Systems Limited | 39 |
5 |
| Worxsafe AB | 32 |
5 |
| The United States of America as represented by the Secretary of the Army | 1195 |
4 |
| Brigham Young University | 580 |
4 |
| Saferoads Pty Ltd | 13 |
4 |
| Visiontron Corp. | 17 |
4 |
| Absolute Museum & Gallery Products Ltd | 14 |
4 |
| Good Job S.r.l. | 6 |
4 |
| H.m.r. Handels GmbH | 6 |
4 |
| Toyota Motor Corporation | 28582 |
3 |
| Kabushiki Kaisha Top | 121 |
3 |
| Kee Safety Limited | 83 |
3 |
| Mid-American Gunite, Inc. | 28 |
3 |
| Other owners | 237 |