- 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 19/26 - Rollers therefor; Such 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: 192
10-year publication summary
17
|
19
|
25
|
22
|
15
|
17
|
29
|
14
|
10
|
6
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Caterpillar Paving Products Inc. | 628 |
37 |
Hamm AG | 160 |
35 |
BOMAG GmbH | 405 |
17 |
Caterpillar Inc. | 8877 |
14 |
Hitachi Construction Machinery Co., Ltd. | 2498 |
6 |
Somero Enterprises, Inc. | 83 |
6 |
Volvo Construction Equipment AB | 1172 |
6 |
Ligchine International Corporation | 42 |
5 |
Wirtgen GmbH | 507 |
5 |
Tru-Turf Pty Ltd | 18 |
3 |
AG Shield Ltd | 14 |
3 |
Wacker Neuson America Corporation | 22 |
3 |
Honda Motor Co., Ltd. | 24537 |
2 |
American-Iowa Manufacturing Inc. | 5 |
2 |
Ammann Schweiz AG | 67 |
2 |
The Charles Machine Works, Inc. | 411 |
2 |
Hunan Zoomlion Special Vehicle Co., Ltd. | 361 |
2 |
Joseph vogele AG | 304 |
2 |
Sakai Heavy Industries, Ltd. | 24 |
2 |
Wacker Neuson Corporation | 13 |
2 |
Other owners | 36 |