- 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 19/23 - Rollers thereforSuch rollers usable also for compacting soil
Patent holdings for IPC class E01C 19/23
Total number of patents in this class: 171
10-year publication summary
|
18
|
16
|
19
|
7
|
12
|
15
|
15
|
8
|
6
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamm AG | 180 |
34 |
| Caterpillar Paving Products Inc. | 726 |
31 |
| BOMAG GmbH | 395 |
16 |
| Caterpillar Inc. | 10267 |
8 |
| Volvo Construction Equipment AB | 1222 |
7 |
| Lura Enterprises, Inc. | 8 |
6 |
| Somero Enterprises, Inc. | 87 |
5 |
| Curb Roller LLC | 17 |
3 |
| Ingios Geotechnics, Inc. | 15 |
3 |
| Seamless Technologies, LLC | 28 |
3 |
| AG Shield Ltd | 14 |
3 |
| Blacklidge Emulsions, Inc. | 10 |
2 |
| MOBA Mobile Automation AG | 67 |
2 |
| XCMG Construction Machinery Co., Ltd. Road Machinery Branch | 13 |
2 |
| Momentus Golf, Inc. | 6 |
2 |
| Wacker Neuson America Corporation | 24 |
2 |
| Honda Motor Co., Ltd. | 26025 |
1 |
| Hitachi Construction Machinery Co., Ltd. | 2752 |
1 |
| Tsinghua University | 6211 |
1 |
| The Board of Regents of the University of Oklahoma | 658 |
1 |
| Other owners | 38 |