- 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 9/529 - Road surface markingsKerbs or road edgings, specially adapted for alerting road users specially adapted for signalling by sound or vibrations, e.g. rumble stripsRoad surface markingsKerbs or road edgings, specially adapted for alerting road users specially adapted for enforcing reduced speed, e.g. speed bumps
Patent holdings for IPC class E01F 9/529
Total number of patents in this class: 79
10-year publication summary
|
10
|
14
|
17
|
13
|
13
|
15
|
7
|
8
|
12
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Traffix Devices, Inc. | 179 |
14 |
| Plastic Safety Systems, Inc. | 54 |
13 |
| 3m Innovative Properties Company | 17604 |
3 |
| Board of Regents of The Nevada System of Higher Education, on Behalf of The University of Nevada, Las Vegas | 157 |
3 |
| Driskell Holdings LLC | 4 |
3 |
| Brady Corporation Limited | 30 |
2 |
| Roadcare Co.,Ltd. | 2 |
2 |
| Speed Spots LLC | 2 |
2 |
| International Business Machines Corporation | 61840 |
1 |
| Ford Global Technologies, LLC | 20984 |
1 |
| Compagnie générale des établissements Michelin SCA | 2610 |
1 |
| University of Florida Research Foundation, Inc. | 4089 |
1 |
| Boe Technology Group Co., Ltd. | 42050 |
1 |
| Amosense Co., Ltd. | 488 |
1 |
| Beijing BOE Optoelectronics Technology Co., Ltd. | 3902 |
1 |
| Champagne Edition Inc. | 23 |
1 |
| Edeva AB | 5 |
1 |
| Evolutionary Markings, Inc. | 3 |
1 |
| Federal Signal Corporation | 234 |
1 |
| Innovative Patents Ltd. | 3 |
1 |
| Other owners | 25 |