- 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 markings; Kerbs or road edgings, specially adapted for alerting road users
Patent holdings for IPC class E01F 9/50
Total number of patents in this class: 54
10-year publication summary
|
1
|
4
|
7
|
18
|
8
|
7
|
2
|
5
|
7
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 18406 |
5 |
| Driskell Holdings LLC | 6 |
4 |
| Potters Industries, LLC | 98 |
4 |
| Hewlett-Packard Development Company, L.P. | 28538 |
3 |
| ZKxKZ, LLC | 7 |
3 |
| Robert Bosch GmbH | 40953 |
2 |
| International Road Dynamics, Inc. | 69 |
2 |
| Patent Applied Technology | 11 |
2 |
| Stimsonite Corporation | 2 |
2 |
| Toyota Motor Corporation | 28582 |
1 |
| NEC Corporation | 32703 |
1 |
| Ford Global Technologies, LLC | 19702 |
1 |
| Astra Capital Incorporated | 68 |
1 |
| Aura Optical Systems, LP | 16 |
1 |
| Bosch Automotive Service Solutions Inc. | 250 |
1 |
| Cady, Alexander F. | 1 |
1 |
| Champagne Edition Inc. | 22 |
1 |
| Flagshooter Holdings, LLC | 12 |
1 |
| Greer, Robert W. | 1 |
1 |
| Korea Expressway Corporation | 15 |
1 |
| Other owners | 16 |