- 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 19/26 - Rollers thereforSuch rollers usable also for compacting soil self-propelled or fitted to road vehicles
Patent holdings for IPC class E01C 19/26
Total number of patents in this class: 236
10-year publication summary
|
23
|
22
|
15
|
17
|
29
|
15
|
16
|
23
|
15
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Paving Products Inc. | 686 |
44 |
| Hamm AG | 173 |
44 |
| BOMAG GmbH | 403 |
20 |
| Caterpillar Inc. | 10013 |
16 |
| Sakai Heavy Industries, Ltd. | 34 |
9 |
| Hitachi Construction Machinery Co., Ltd. | 2684 |
7 |
| Somero Enterprises, Inc. | 78 |
7 |
| Volvo Construction Equipment AB | 1207 |
6 |
| Wirtgen GmbH | 515 |
6 |
| Ligchine International Corporation | 51 |
5 |
| Tru-Turf Pty Ltd | 22 |
3 |
| AG Shield Ltd | 14 |
3 |
| Honda Motor Co., Ltd. | 25795 |
2 |
| American-Iowa Manufacturing Inc. | 4 |
2 |
| Ammann Schweiz AG | 80 |
2 |
| The Charles Machine Works, Inc. | 415 |
2 |
| Hunan Zoomlion Special Vehicle Co., Ltd. | 361 |
2 |
| Joseph vogele AG | 329 |
2 |
| Zoomlion Heavy Industry Science and Technology Co., Ltd. | 392 |
2 |
| Axenox, LLC. | 36 |
2 |
| Other owners | 50 |