- 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 21/16 - 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 with grooves or notches in the pin or shaft
Patent holdings for IPC class F16B 21/16
Total number of patents in this class: 293
10-year publication summary
|
31
|
35
|
23
|
26
|
26
|
23
|
27
|
20
|
14
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fidlock GmbH | 242 |
8 |
| Northrop Grumman Systems Corporation | 2928 |
7 |
| Caterpillar Inc. | 10027 |
6 |
| Burton Technologies, LLC | 38 |
5 |
| HARTING Electric GmbH & Co. KG | 411 |
5 |
| Rtx Corporation | 9785 |
5 |
| DCNS | 95 |
4 |
| DeWalch Technologies, Inc. | 43 |
4 |
| Bayerische Motoren Werke Aktiengesellschaft | 14918 |
3 |
| Caterpillar Work Tools B.V. | 75 |
3 |
| Hanwit Precision Industries Ltd. | 52 |
3 |
| Jcco 330 Limited | 16 |
3 |
| Omni Aerospace, Inc. | 4 |
3 |
| Ossur Iceland ehf | 513 |
3 |
| Kone Oyj | 2115 |
3 |
| Auris Health, Inc. | 1256 |
3 |
| Dresearch Fahrzeugelektronik GmbH | 6 |
3 |
| KITe Global, LLC | 13 |
3 |
| Bernd Siegmund GmbH | 22 |
3 |
| General Electric Company | 13804 |
2 |
| Other owners | 214 |