- All sections
- B - Performing operations; transporting
- B28D - Working stone or stone-like materials
- B28D 1/18 - Working stone or stone-like materials, e.g. brick, concrete, not provided for elsewhere; Machines, 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: 222
10-year publication summary
|
25
|
16
|
23
|
32
|
26
|
26
|
18
|
20
|
9
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wirtgen GmbH | 507 |
17 |
| Caterpillar Paving Products Inc. | 628 |
12 |
| The Sollami Company | 51 |
12 |
| BOMAG GmbH | 405 |
11 |
| Caterpillar Inc. | 8877 |
7 |
| Betek GmbH & Co. KG | 140 |
6 |
| US Synthetic Corporation | 601 |
6 |
| Sandvik Intellectual Property AB | 1634 |
5 |
| Element Six (UK) Limited | 178 |
5 |
| EnBW Energie Baden-Wurttemberg AG | 88 |
5 |
| Element Six GmbH | 99 |
4 |
| Fastbrick IP Pty Ltd | 98 |
4 |
| Ludwig Hettich Holding GmbH & Co. KG | 30 |
4 |
| Sky Climber Field Services, LLC | 6 |
4 |
| Schlumberger Technology Corporation | 9690 |
3 |
| Kennametal Inc. | 1380 |
3 |
| FOR.EL. S.p.A. | 37 |
3 |
| Roadtec, Inc. | 89 |
3 |
| Simex Engineering S.r.l. | 19 |
3 |
| Epiroc Drilling Tools Aktiebolag | 89 |
3 |
| Other owners | 102 |