- All sections
- B - Performing operations; transporting
- B28D - Working stone or stone-like materials
- B28D 1/14 - Working stone or stone-like materials, e.g. brick, concrete, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
Patent holdings for IPC class B28D 1/14
Total number of patents in this class: 219
10-year publication summary
|
11
|
20
|
31
|
26
|
17
|
12
|
21
|
19
|
18
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hilti Aktiengesellschaft | 3227 |
29 |
| Kabushiki Kaisha Miyanaga | 90 |
23 |
| Robert Bosch GmbH | 40953 |
17 |
| Essilor International (compagnie Generale D'optique) | 2918 |
11 |
| Husqvarna AB | 2824 |
7 |
| FS Technical Corporation | 14 |
6 |
| Ludwig Hettich Holding GmbH & Co. KG | 30 |
5 |
| Max Co., Ltd. | 880 |
5 |
| DreBo Werkzeugfabrik GmbH | 21 |
4 |
| Black & Decker, Inc. | 2402 |
3 |
| Asahi Glass Company, Limited | 2985 |
3 |
| FOR.EL. S.p.A. | 37 |
3 |
| Egun Co., Ltd. | 29 |
3 |
| Illinois Tool Works Inc. | 11152 |
2 |
| The United States of America as represented by the Secretary of the Navy | 2734 |
2 |
| Makita Corporation | 2339 |
2 |
| Kennametal Inc. | 1380 |
2 |
| Bando Kiko Co., Ltd. | 73 |
2 |
| Bauer Drill I/S | 2 |
2 |
| Bosch Power Tools (China) Co., Ltd. | 76 |
2 |
| Other owners | 86 |