- All sections
- B - Performing operationstransporting
- B28D - Working stone or stone-like materials
- B28D 1/22 - Working stone or stone-like materials, e.g. brick, concrete, not provided for elsewhereMachines, devices, tools therefor by cutting, e.g. incising
Patent holdings for IPC class B28D 1/22
Total number of patents in this class: 265
10-year publication summary
|
27
|
28
|
9
|
19
|
24
|
26
|
23
|
22
|
19
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Germans Boada, S.A. | 64 |
30 |
| Siltectra GmbH | 90 |
20 |
| Rubi Tools Group, S.A. | 68 |
16 |
| Corning Incorporated | 10500 |
10 |
| Disco Corporation | 1957 |
8 |
| Nippon Electric Glass Co., Ltd. | 2554 |
8 |
| Bellota Herramientas, S.A. | 14 |
6 |
| Hamamatsu Photonics K.K. | 4669 |
5 |
| Wolfcraft GmbH | 123 |
5 |
| Asahi Glass Company, Limited | 2625 |
4 |
| Bando Kiko Co., Ltd. | 76 |
4 |
| Aquajet Systems Holding AB | 11 |
3 |
| Bohle AG | 123 |
3 |
| Cortag Indústria e Comercio Ltda. | 21 |
3 |
| Ishii Tools Mfg. Co., Ltd. | 6 |
3 |
| Korea Hydro & Nuclear Power Co., Ltd. | 562 |
3 |
| Mitsuboshi Diamond Industrial Co., Ltd. | 148 |
3 |
| Raimondi S.p.A. | 30 |
3 |
| Agc, Inc. | 5502 |
3 |
| 3D-Micromac AG | 52 |
2 |
| Other owners | 123 |