- All sections
- B - Performing operationstransporting
- B25B - Tools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding
- B25B 13/50 - SpannersWrenches for special purposes for operating on work of special profile, e.g. pipes
Patent holdings for IPC class B25B 13/50
Total number of patents in this class: 352
10-year publication summary
|
52
|
43
|
31
|
23
|
57
|
38
|
30
|
27
|
22
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Milwaukee Electric Tool Corporation | 4757 |
19 |
| Apex Brands, Inc. | 740 |
6 |
| Klein Tools, Inc. | 193 |
6 |
| Ridge Tool Company | 132 |
6 |
| Canrig Drilling Technology Ltd. | 71 |
5 |
| Hangzhou Great Star Industrial Co., Ltd. | 682 |
5 |
| ToolTech, LLC | 16 |
5 |
| Sandvik SRP AB | 106 |
5 |
| The United States of America as represented by the Secretary of the Navy | 2825 |
4 |
| Fisher Controls International LLC | 1496 |
4 |
| Thru Tubing Solutions, Inc. | 391 |
4 |
| Universe Machine Corporation | 15 |
4 |
| Washington Suburban Sanitary Commission | 7 |
4 |
| WHG Properties, LLC | 357 |
4 |
| Joy Global Surface Mining Inc | 371 |
4 |
| Rogers Oil Tools, LLC | 9 |
4 |
| Illinois Tool Works Inc. | 11712 |
3 |
| Caterpillar Inc. | 10051 |
3 |
| Adrenal Line LLC | 8 |
3 |
| American Airlines, Inc. | 557 |
3 |
| Other owners | 251 |