- 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 9/00 - Arrangement of road signs or traffic signals; Arrangements for enforcing caution
Patent holdings for IPC class E01F 9/00
Total number of patents in this class: 224
10-year publication summary
|
15
|
36
|
31
|
21
|
14
|
17
|
3
|
8
|
9
|
3
|
| 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 |
11 |
| Allstate Insurance Company | 1695 |
4 |
| Traffix Devices, Inc. | 181 |
4 |
| Systemes Versilis Inc. | 6 |
4 |
| ABL IP Holding LLC | 1929 |
3 |
| Logisig Inc. | 15 |
3 |
| McCue Corporation | 85 |
3 |
| Plastic Safety Systems, Inc. | 54 |
3 |
| Qualcomm Incorporated | 76576 |
2 |
| Robert Bosch GmbH | 40953 |
2 |
| Hubbell Incorporated | 3052 |
2 |
| Aichi Steel Corporation | 333 |
2 |
| Airlite Plastics Co. | 93 |
2 |
| American Louver Company | 26 |
2 |
| Delnorth Pty. Ltd. | 8 |
2 |
| Energy Absorption Systems, Inc. | 53 |
2 |
| Flint Trading, Inc. | 42 |
2 |
| John M. Tipaldo | 2 |
2 |
| Kapsch TrafficCom AG | 184 |
2 |
| Kosedag Tel Orme Sanayi ve Ticaret Ithalat Ihracat A.S. | 7 |
2 |
| Other owners | 165 |