- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16B - Devices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges; joints 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 it; Stud-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: 73
10-year publication summary
5
|
6
|
9
|
12
|
11
|
5
|
1
|
3
|
6
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Robert Bosch GmbH | 40953 |
4 |
Schaeffler Technologies AG & Co. KG | 8880 |
4 |
Saint-Gobain Performance Plastics Pampus GmbH | 120 |
4 |
BAE SYSTEMS plc | 2215 |
3 |
Parker Hannifin Manufacturing France SAS | 40 |
3 |
Jiangmen Guangli Electronic Technology Co., Ltd. | 7 |
3 |
GM Global Technology Operations LLC | 13620 |
2 |
Barco N.V. | 478 |
2 |
MacNeil IP LLC | 275 |
2 |
Nivarox-FAR S.A. | 265 |
2 |
Penn Engineering & Manufacturing Corp. | 73 |
2 |
Rencol Tolerance Rings Limited | 3 |
2 |
Taplok Limited | 4 |
2 |
BAL Seal Engineering, LLC | 106 |
2 |
Siemens AG | 24990 |
1 |
Pratt & Whitney Canada Corp. | 4215 |
1 |
Airbus S.A.S. | 819 |
1 |
Airbus Operations S.A.S. | 2407 |
1 |
Bayerische Motoren Werke Aktiengesellschaft | 13126 |
1 |
Keiper GmbH & Co. KG | 176 |
1 |
Other owners | 30 |