- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16D - Couplings for transmitting rotation; clutches; brakes
- F16D 23/12 - Mechanical clutch-actuating mechanisms arranged outside the clutch as such
Patent holdings for IPC class F16D 23/12
Total number of patents in this class: 734
10-year publication summary
77
|
70
|
120
|
100
|
64
|
58
|
67
|
60
|
38
|
17
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Schaeffler Technologies AG & Co. KG | 8880 |
119 |
Denso Corporation | 23338 |
33 |
ZF Friedrichshafen AG | 6820 |
18 |
BorgWarner Inc. | 2604 |
18 |
Valeo Embrayages | 590 |
18 |
Dana Automotive Systems Group, LLC | 395 |
17 |
Honda Motor Co., Ltd. | 24537 |
16 |
Schaeffler Technologies GmbH & Co. KG | 846 |
16 |
NTN Corporation | 5008 |
15 |
Toyota Motor Corporation | 28582 |
14 |
GKN Automotive Limited | 300 |
13 |
Kabushiki Kaisha F.C.C. | 330 |
13 |
Magna Powertrain GmbH & Co KG | 257 |
13 |
Yamaha Motor Co., Ltd. | 2740 |
12 |
Warn Automotive, LLC | 44 |
12 |
Allison Transmission, Inc. | 833 |
11 |
American Axle & Manufacturing, Inc. | 649 |
11 |
Exedy Corporation | 488 |
11 |
Robert Bosch GmbH | 40953 |
10 |
Hamilton Sundstrand Corporation | 4525 |
9 |
Other owners | 335 |