- All sections
- B - Performing operations; transporting
- B21J - Forging; hammering; pressing metal; riveting; forge furnaces
- B21J 15/38 - Accessories for use in connection with riveting, e.g. pliers for upsetting; Hand tools for riveting
Patent holdings for IPC class B21J 15/38
Total number of patents in this class: 74
10-year publication summary
|
4
|
8
|
11
|
11
|
8
|
8
|
11
|
9
|
5
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 19843 |
5 |
| Hangzhou Great Star Industrial Co., Ltd. | 530 |
5 |
| Gage Bilt, Inc. | 10 |
4 |
| Karat Industrial Corporation | 13 |
4 |
| TKR Spezialwerkzeuge GmbH | 30 |
3 |
| Yuyao Tangwen Tool Co., Ltd | 5 |
3 |
| Hangzhou United Tools Co., Ltd. | 62 |
3 |
| Ford Motor Company | 2817 |
2 |
| Bollhoff Verbindungstechnik GmbH | 243 |
2 |
| Flexible Steel Lacing Company | 250 |
2 |
| Meishan CRRC Fastening System Co., Ltd. | 15 |
2 |
| Penn Engineering & Manufacturing Corp. | 73 |
2 |
| SPS Technologies, LLC | 119 |
2 |
| The United States of America as represented by the Secretary of the Air Force | 754 |
2 |
| Hangzhou Lianwei Technology Co., Ltd. | 2 |
2 |
| Honda Motor Co., Ltd. | 24537 |
1 |
| Black & Decker, Inc. | 2402 |
1 |
| Schaeffler Technologies GmbH & Co. KG | 846 |
1 |
| 2WP International Pty Ltd | 17 |
1 |
| A. Raymond et Cie | 684 |
1 |
| Other owners | 26 |