- All sections
- E - Fixed constructions
- E01C - Construction of, or surfaces for, roads, sports grounds, or the like; machines or auxiliary tools for construction or repair
- E01C 23/088 - Rotary tools, e.g. milling drums
Patent holdings for IPC class E01C 23/088
Total number of patents in this class: 764
10-year publication summary
|
51
|
67
|
79
|
79
|
96
|
85
|
81
|
67
|
66
|
16
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wirtgen GmbH | 507 |
271 |
| Caterpillar Paving Products Inc. | 628 |
174 |
| BOMAG GmbH | 405 |
77 |
| Wirtgen America, Inc. | 36 |
23 |
| Roadtec, Inc. | 89 |
19 |
| Simex Engineering S.r.l. | 19 |
11 |
| Asphalt Zipper, Inc. | 19 |
8 |
| Element Six GmbH | 99 |
8 |
| Simex, S.r.l. | 20 |
8 |
| The Sollami Company | 51 |
8 |
| Marini S.p.A. | 28 |
7 |
| US Synthetic Corporation | 601 |
6 |
| Dynapac (China) Compaction & Paving Equipment Co., Ltd. | 8 |
5 |
| Vermeer Manufacturing Company | 615 |
5 |
| Waterblasting, LLC | 36 |
5 |
| Suzhou Wuyuansu Machinery Manufacturing Co., Ltd | 6 |
5 |
| Element Six Abrasives S.A. | 148 |
4 |
| Kaito (Suzhou) Construction Machinery Co.,Ltd | 4 |
4 |
| Dynatech Systems, Inc. | 17 |
4 |
| Hunan Sany Zhongyi Machinery Co., Ltd. | 11 |
4 |
| Other owners | 108 |