- 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 9/047 - specially adapted for audible or vibrational signalling, e.g. rumble strips, or for enforcing reduced speed, e.g. speed bumps
Patent holdings for IPC class E01F 9/047
Total number of patents in this class: 20
10-year publication summary
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0
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0
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0
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0
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0
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1
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0
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0
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Plastic Safety Systems, Inc. | 52 |
3 |
| Beijing University of Technology | 519 |
1 |
| Edeva AB | 5 |
1 |
| Johnson & Nicholson (M) Sdn Bhd | 8 |
1 |
| Korea Institute of Construction Technology | 72 |
1 |
| Moog Inc. | 428 |
1 |
| The Texas a & M University System | 1866 |
1 |
| Traffix Devices, Inc. | 177 |
1 |
| Beijing Stone Intelligent Transportation System Integration Co., Ltd. | 1 |
1 |
| Austact Pty Ltd. | 2 |
1 |
| ASR Traffic AB | 1 |
1 |
| Betonwerk Kwade GmbH & Co. Kommanditgesellschaft | 3 |
1 |
| Isastur Servicios, S.L. | 1 |
1 |
| Samsungcns Co., Ltd. | 1 |
1 |
| Shindo Industry Co., Ltd. | 7 |
1 |
| SNC Global Co., Ltd. | 1 |
1 |
| Trinty Highway Products, LLC | 1 |
1 |
| Speed Spots LLC | 2 |
1 |
| Other owners | 0 |