- 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: 248
10-year publication summary
|
22
|
23
|
29
|
23
|
15
|
13
|
16
|
9
|
10
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wirtgen GmbH | 518 |
17 |
| Caterpillar Paving Products Inc. | 724 |
11 |
| Technology Licensing Corporation | 69 |
8 |
| Mitsubishi Electric Corporation | 47971 |
6 |
| Michelin Recherche et Technique S.A. | 2086 |
6 |
| NEC Corporation | 36934 |
5 |
| Joseph vogele AG | 331 |
5 |
| Societe de Technologie Michelin | 511 |
5 |
| Flint Acquisition Corp. | 15 |
5 |
| Hitachi Construction Machinery Co., Ltd. | 2749 |
4 |
| BOMAG GmbH | 394 |
4 |
| Roadtec, Inc. | 93 |
4 |
| Compagnie générale des établissements Michelin SCA | 2715 |
3 |
| Graco Minnesota Inc. | 1277 |
3 |
| Nichiban Co., Ltd. | 182 |
3 |
| Strata Innovations Pty Limited | 47 |
3 |
| The Truesdell Corporation | 11 |
3 |
| Komatsu Ltd. | 4703 |
2 |
| Alexander Lorenz | 7 |
2 |
| American Refining Group, Inc. | 28 |
2 |
| Other owners | 147 |