- All sections
- E - Fixed constructions
- E01C - Construction of, or surfaces for, roads, sports grounds, or the likemachines or auxiliary tools for construction or repair
- E01C 23/00 - Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
Patent holdings for IPC class E01C 23/00
Total number of patents in this class: 251
10-year publication summary
|
21
|
22
|
28
|
21
|
13
|
13
|
14
|
9
|
8
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wirtgen GmbH | 513 |
17 |
| Caterpillar Paving Products Inc. | 682 |
11 |
| Technology Licensing Corporation | 69 |
8 |
| Michelin Recherche et Technique S.A. | 2134 |
7 |
| Mitsubishi Electric Corporation | 47302 |
6 |
| NEC Corporation | 36438 |
5 |
| Joseph vogele AG | 329 |
5 |
| Societe de Technologie Michelin | 546 |
5 |
| Flint Acquisition Corp. | 16 |
5 |
| Hitachi Construction Machinery Co., Ltd. | 2678 |
4 |
| BOMAG GmbH | 402 |
4 |
| Roadtec, Inc. | 92 |
4 |
| Compagnie générale des établissements Michelin SCA | 2632 |
3 |
| Graco Minnesota Inc. | 1238 |
3 |
| Nichiban Co., Ltd. | 184 |
3 |
| Strata Innovations Pty Limited | 46 |
3 |
| The Truesdell Corporation | 11 |
3 |
| Komatsu Ltd. | 4641 |
2 |
| Alexander Lorenz | 7 |
2 |
| American Refining Group, Inc. | 28 |
2 |
| Other owners | 149 |