- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16B - Devices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedgesjoints or jointing
- F16B 21/20 - Means without screw-thread for preventing relative axial movement of a pin, spigot, shaft, or the like and a member surrounding itStud-and-socket releasable fastenings without screw-thread by separate parts for bolts or shafts without holes, grooves, or notches for locking members
Patent holdings for IPC class F16B 21/20
Total number of patents in this class: 74
10-year publication summary
|
9
|
12
|
11
|
5
|
1
|
3
|
6
|
2
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 44398 |
4 |
| Schaeffler Technologies AG & Co. KG | 11233 |
4 |
| BAE SYSTEMS plc | 2528 |
3 |
| Parker Hannifin Manufacturing France SAS | 40 |
3 |
| Saint-Gobain Performance Plastics Pampus GmbH | 119 |
3 |
| Jiangmen Guangli Electronic Technology Co., Ltd. | 18 |
3 |
| GM Global Technology Operations LLC | 16255 |
2 |
| Barco N.V. | 570 |
2 |
| MacNeil IP LLC | 285 |
2 |
| Nivarox-FAR S.A. | 290 |
2 |
| Penn Engineering & Manufacturing Corp. | 72 |
2 |
| Taplok Limited | 4 |
2 |
| BAL Seal Engineering, LLC | 111 |
2 |
| Illinois Tool Works Inc. | 11902 |
1 |
| Siemens AG | 23934 |
1 |
| Deere & Company | 8229 |
1 |
| Pratt & Whitney Canada Corp. | 5594 |
1 |
| Airbus S.A.S. | 997 |
1 |
| Airbus Operations S.A.S. | 2583 |
1 |
| Bayerische Motoren Werke Aktiengesellschaft | 15511 |
1 |
| Other owners | 33 |