- All sections
- B - Performing operationstransporting
- B25B - Tools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding
- B25B 23/147 - Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
Patent holdings for IPC class B25B 23/147
Total number of patents in this class: 616
10-year publication summary
|
27
|
57
|
47
|
55
|
65
|
65
|
65
|
69
|
78
|
34
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Milwaukee Electric Tool Corporation | 4310 |
88 |
| Atlas Copco Industrial Technique AB | 472 |
67 |
| Robert Bosch GmbH | 42596 |
47 |
| Panasonic Intellectual Property Management Co., Ltd. | 31084 |
41 |
| Black & Decker, Inc. | 2408 |
36 |
| Hilti Aktiengesellschaft | 3483 |
28 |
| Makita Corporation | 2426 |
27 |
| ECA Medical Instruments | 138 |
15 |
| Hitachi Koki Co., Ltd. | 418 |
14 |
| Ingersoll-Rand Industrial U.S., Inc. | 503 |
12 |
| Etablissements Georges Renault | 44 |
10 |
| Koki Holdings Co.,Ltd | 885 |
10 |
| Apex Brands, Inc. | 693 |
9 |
| Panasonic Holdings Corporation | 1719 |
9 |
| Atlas Copco Tools AB | 60 |
7 |
| Chervon (HK) Limited | 229 |
6 |
| Keyang Electric Machinery CO., LTD. | 30 |
6 |
| Nitto Kohki Co., Ltd. | 269 |
6 |
| Nanjing Chervon Industry Co., Ltd. | 1046 |
5 |
| Norbar Torque Tools Limited | 45 |
5 |
| Other owners | 168 |