- 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 21/16 - 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 with grooves or notches in the pin or shaft
Patent holdings for IPC class F16B 21/16
Total number of patents in this class: 262
10-year publication summary
18
|
25
|
32
|
35
|
24
|
27
|
24
|
20
|
25
|
6
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Fidlock GmbH | 187 |
7 |
Northrop Grumman Systems Corporation | 2940 |
6 |
Burton Technologies, LLC | 38 |
5 |
HARTING Electric GmbH & Co. KG | 437 |
5 |
Rtx Corporation | 8674 |
5 |
DCNS | 97 |
4 |
DeWalch Technologies, Inc. | 45 |
4 |
Caterpillar Inc. | 8877 |
3 |
Bayerische Motoren Werke Aktiengesellschaft | 13126 |
3 |
Caterpillar Work Tools B.V. | 76 |
3 |
DCNS SA | 107 |
3 |
Omni Aerospace, Inc. | 4 |
3 |
Ossur Iceland ehf | 433 |
3 |
Kone Oyj | 2000 |
3 |
Bernd Siegmund GmbH | 18 |
3 |
General Electric Company | 18133 |
2 |
Illinois Tool Works Inc. | 11152 |
2 |
Robert Bosch GmbH | 40953 |
2 |
LG Innotek Co., Ltd. | 6758 |
2 |
Microsoft Technology Licensing, LLC | 51439 |
2 |
Other owners | 192 |