- 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 23/12 - Devices or arrangements for working the finished surfaceDevices for repairing the surface of damaged paving for taking-up, tearing-up, or breaking-up paving
Patent holdings for IPC class E01C 23/12
Total number of patents in this class: 527
10-year publication summary
|
60
|
52
|
71
|
43
|
53
|
41
|
45
|
19
|
19
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wirtgen GmbH | 518 |
167 |
| Caterpillar Paving Products Inc. | 724 |
134 |
| BOMAG GmbH | 394 |
44 |
| Wirtgen America, Inc. | 24 |
14 |
| Roadtec, Inc. | 93 |
13 |
| Hamm AG | 180 |
8 |
| Aquajet Systems Holding AB | 11 |
6 |
| Conjet AB | 22 |
6 |
| Caterpillar Inc. | 10272 |
5 |
| Schlumberger Technology Corporation | 11798 |
4 |
| Asphalt Zipper, Inc. | 19 |
4 |
| Simex Engineering S.r.l. | 24 |
4 |
| The Sollami Company | 59 |
4 |
| Vermeer Manufacturing Company | 671 |
4 |
| Kennametal Inc. | 1356 |
3 |
| Mac & Mac Hydrodemolition Inc. | 49 |
3 |
| Waterblasting, LLC | 16 |
3 |
| Apergy BMCS Acquisition Corporation | 7 |
3 |
| Suzhou Wuyuansu Machinery Manufacturing Co., Ltd | 7 |
3 |
| Schlumberger Canada Limited | 7606 |
2 |
| Other owners | 93 |