- 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 9/50 - Road surface markingsKerbs or road edgings, specially adapted for alerting road users
Patent holdings for IPC class E01F 9/50
Total number of patents in this class: 52
10-year publication summary
|
4
|
7
|
18
|
8
|
7
|
2
|
5
|
7
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17842 |
5 |
| Potters Industries, LLC | 97 |
4 |
| Hewlett-Packard Development Company, L.P. | 25972 |
3 |
| Driskell Holdings LLC | 4 |
3 |
| ZKxKZ, LLC | 8 |
3 |
| Robert Bosch GmbH | 42411 |
2 |
| International Road Dynamics, Inc. | 68 |
2 |
| Patent Applied Technology | 8 |
2 |
| Stimsonite Corporation | 2 |
2 |
| Ennovative Patent Holding Company LLC | 3 |
2 |
| NEC Corporation | 35291 |
1 |
| Ford Global Technologies, LLC | 20396 |
1 |
| Aura Optical Systems, LP | 18 |
1 |
| Bosch Automotive Service Solutions Inc. | 231 |
1 |
| Champagne Edition Inc. | 22 |
1 |
| Flagshooter Holdings, LLC | 14 |
1 |
| Jet Equipment & Tools Ltd. | 23 |
1 |
| Korea Expressway Corporation | 15 |
1 |
| Nanyang Technological University | 1971 |
1 |
| Patch Rubber Company | 12 |
1 |
| Other owners | 14 |