- 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 21/18 - 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 - Details
Patent holdings for IPC class F16B 21/18
Total number of patents in this class: 473
10-year publication summary
39
|
35
|
41
|
48
|
50
|
48
|
40
|
24
|
24
|
6
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
BAL Seal Engineering, LLC | 106 |
21 |
Schaeffler Technologies AG & Co. KG | 8880 |
12 |
NTN Corporation | 5008 |
10 |
Caterpillar Inc. | 8877 |
9 |
Temper Axle Products Corporation | 78 |
7 |
Hugo Benzing GmbH & Co. KG | 23 |
6 |
Enplas Corporation | 900 |
5 |
Yeti Coolers, LLC | 1254 |
5 |
Robert Bosch GmbH | 40953 |
4 |
Hamilton Sundstrand Corporation | 4525 |
4 |
NSK Ltd. | 2719 |
4 |
A. Raymond et Cie | 684 |
4 |
Fidlock GmbH | 187 |
4 |
HARTING Electric GmbH & Co. KG | 437 |
4 |
S & B Technical Products, Inc. | 86 |
4 |
Saint-Gobain Performance Plastics Pampus GmbH | 120 |
4 |
The Boeing Company | 19843 |
3 |
Pratt & Whitney Canada Corp. | 4215 |
3 |
Hitachi Automotive Systems, Ltd. | 3970 |
3 |
GM Global Technology Operations LLC | 13620 |
3 |
Other owners | 354 |