- All sections
- B - Performing operationstransporting
- B28D - Working stone or stone-like materials
- B28D 1/32 - Methods or apparatus specially adapted for working materials which can easily be split, e.g. mica, slate, schist
Patent holdings for IPC class B28D 1/32
Total number of patents in this class: 23
10-year publication summary
|
6
|
1
|
3
|
1
|
2
|
0
|
1
|
1
|
0
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aros S.r.l. | 10 |
2 |
| Disco Corporation | 1852 |
2 |
| Pavestone, LLC | 70 |
2 |
| The United States of America as Represented by the Administrator of National Aeronautics and Space Administration | 139 |
2 |
| Helen of Troy Limited | 236 |
1 |
| Keystone Retaining Wall Systems LLC | 219 |
1 |
| Komatsu Seiki Kosakusho Co., Ltd. | 12 |
1 |
| Marshalltown Company | 72 |
1 |
| Metal Industries Research & Development Centre | 222 |
1 |
| Proverum AG | 66 |
1 |
| Shear Technologies, Inc. | 4 |
1 |
| Tianjin University | 797 |
1 |
| University of Toyama | 25 |
1 |
| Siti B&t Group S.p.A. | 78 |
1 |
| Gunntech Manufacturing, Inc. | 1 |
1 |
| Parfaite Tool Co., Ltd. | 2 |
1 |
| Garben ApS | 1 |
1 |
| Technotrade S.r.l. | 1 |
1 |
| LLC Pavestone | 7 |
1 |
| Other owners | 0 |