• All sections
  • F - Mechanical engineeringlightingheatingweaponsblasting
  • F16D - Couplings for transmitting rotationclutchesbrakes
  • F16D 3/227 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines of each coupling part lying on a cylinder co-axial with the respective coupling part the joints being telescopic

Patent holdings for IPC class F16D 3/227

Total number of patents in this class: 131

10-year publication summary

7
15
17
8
12
5
3
11
3
9
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
NTN Corporation
4960
67
GKN Driveline Deutschland GmbH
39
14
Dana Automotive Systems Group, LLC
447
7
Hitachi Astemo, Ltd.
6378
6
Hyundai Wia Corporation
166
4
JTEKT Corporation
2529
3
GKN Driveline International GmbH
153
3
Ifa-technologies GmbH
21
3
Volkswagen AG
7382
2
IJTT Co., Ltd.
18
2
Bayerische Motoren Werke Aktiengesellschaft
14735
1
Aktiebolaget SKF
3023
1
BF New Technologies GmbH
5
1
BONDIOLI & PAVESI S.p.a.
26
1
e-AAM Driveline Systems AB
45
1
GKN Driveline Bruneck AG
11
1
GKN Driveline North America, Inc.
107
1
Hirschvogel Holding GmbH
14
1
hofer-pdc GmbH
2
1
JFE Steel Corporation
7090
1
Other owners 10