- All sections
- B - Performing operationstransporting
- B28D - Working stone or stone-like materials
- B28D 1/18 - Working stone or stone-like materials, e.g. brick, concrete, not provided for elsewhereMachines, devices, tools therefor by milling, e.g. channelling by means of milling tools
Patent holdings for IPC class B28D 1/18
Total number of patents in this class: 244
10-year publication summary
|
16
|
21
|
28
|
25
|
29
|
18
|
23
|
11
|
6
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wirtgen GmbH | 499 |
18 |
| Caterpillar Paving Products Inc. | 671 |
12 |
| The Sollami Company | 53 |
11 |
| BOMAG GmbH | 402 |
10 |
| Fastbrick IP Pty Ltd | 112 |
10 |
| Caterpillar Inc. | 9579 |
7 |
| Keystone Engineering & Mfg. LLC | 12 |
7 |
| Kennametal Inc. | 1389 |
6 |
| Betek GmbH & Co. KG | 141 |
6 |
| Ludwig Hettich Holding GmbH & Co. KG | 31 |
6 |
| US Synthetic Corporation | 622 |
6 |
| Element Six (UK) Limited | 217 |
6 |
| Sandvik Intellectual Property AB | 1482 |
5 |
| EnBW Energie Baden-Wurttemberg AG | 91 |
5 |
| Element Six GmbH | 105 |
4 |
| FOR.EL. S.p.A. | 45 |
4 |
| Sky Climber Field Services, LLC | 6 |
4 |
| Schlumberger Technology Corporation | 10780 |
3 |
| Husqvarna AB | 2914 |
3 |
| Roadtec, Inc. | 91 |
3 |
| Other owners | 108 |