- All sections
- B - Performing operations; transporting
- B21K - Making forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels
- B21K 1/30 - Making machine elements discs with gear-teeth
Patent holdings for IPC class B21K 1/30
Total number of patents in this class: 201
10-year publication summary
16
|
13
|
18
|
18
|
10
|
10
|
14
|
8
|
5
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
NSK Ltd. | 2719 |
10 |
American Axle & Manufacturing, Inc. | 649 |
9 |
Aisin AW Co., Ltd. | 2430 |
8 |
Aktiebolaget SKF | 2700 |
8 |
Toyota Motor Corporation | 28582 |
6 |
Ernst Grob AG | 22 |
6 |
Miba Sinter Austria GmbH | 101 |
6 |
Eaton Capital | 9 |
5 |
ZF Friedrichshafen AG | 6820 |
4 |
NTN Corporation | 5008 |
4 |
GKN Sinter Metals, LLC | 106 |
4 |
Musashi Seimitsu Industry Co., Ltd. | 171 |
4 |
Neumayer Tekfor Engineering GmbH | 57 |
4 |
Schaeffler Technologies AG & Co. KG | 8880 |
3 |
Komatsu Ltd. | 4265 |
3 |
Magna Powertrain Inc. | 120 |
3 |
Nippon Steel Corporation | 5649 |
3 |
PMG Asturias Powder Metal S.A.U. | 5 |
3 |
Schuler Cartec GmbH & Co. KG | 4 |
3 |
Sona BLW Prazisionsschmiede GmbH | 9 |
3 |
Other owners | 102 |