- All sections
- B - Performing operationstransporting
- B28D - Working stone or stone-like materials
- B28D 1/14 - Working stone or stone-like materials, e.g. brick, concrete, not provided for elsewhereMachines, devices, tools therefor by boring or drilling
Patent holdings for IPC class B28D 1/14
Total number of patents in this class: 231
10-year publication summary
|
20
|
31
|
26
|
17
|
12
|
21
|
20
|
20
|
19
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hilti Aktiengesellschaft | 3496 |
31 |
| Kabushiki Kaisha Miyanaga | 84 |
20 |
| Robert Bosch GmbH | 42674 |
19 |
| Essilor International (compagnie Generale D'optique) | 2994 |
9 |
| Husqvarna AB | 2909 |
7 |
| FS Technical Corporation | 15 |
6 |
| Ludwig Hettich Holding GmbH & Co. KG | 30 |
6 |
| Egun Co., Ltd. | 40 |
5 |
| Black & Decker, Inc. | 2414 |
4 |
| DreBo Werkzeugfabrik GmbH | 23 |
4 |
| FOR.EL. S.p.A. | 45 |
4 |
| Max Co., Ltd. | 848 |
4 |
| Asahi Glass Company, Limited | 2792 |
3 |
| Guilin Champion Union Diamond Co., Ltd. | 39 |
3 |
| Concore BV | 9 |
3 |
| CSC Robotic Engineering Limited | 6 |
3 |
| Illinois Tool Works Inc. | 11461 |
2 |
| The United States of America as represented by the Secretary of the Navy | 2744 |
2 |
| Makita Corporation | 2451 |
2 |
| Kennametal Inc. | 1387 |
2 |
| Other owners | 92 |