- All sections
- B - Performing operationstransporting
- B21J - Forginghammeringpressing metalrivetingforge furnaces
- B21J 15/16 - Drives for riveting machinesTransmission means therefor
Patent holdings for IPC class B21J 15/16
Total number of patents in this class: 32
10-year publication summary
|
0
|
1
|
2
|
5
|
1
|
6
|
2
|
2
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Penn Engineering & Manufacturing Corp. | 76 |
3 |
| Howmet Aerospace Inc. | 388 |
3 |
| Hangzhou Great Star Industrial Co., Ltd. | 614 |
2 |
| Huck International, Inc. | 79 |
2 |
| Ultex Corporation | 19 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8777 |
1 |
| Robert Bosch GmbH | 42742 |
1 |
| Makita Corporation | 2452 |
1 |
| Alcoa Inc. | 285 |
1 |
| Hanson Rivet & Supply Co. | 5 |
1 |
| LISI Aerospace | 131 |
1 |
| Newfrey LLC | 546 |
1 |
| Richard Bergner Verbindungstechnik GmbH & Co. KG | 40 |
1 |
| Symmetry Medical Manufacturing, Inc. | 58 |
1 |
| Weaver Leather, LLC | 55 |
1 |
| Yuyao Tangwen Tool Co., Ltd | 5 |
1 |
| Jiangsu University of Science and Technology | 383 |
1 |
| Dai-Ichi Dentsu Ltd. | 13 |
1 |
| Hangzhou United Tools Co., Ltd. | 63 |
1 |
| Hangzhou Grehangzhou United Tools Co., Ltd. | 1 |
1 |
| Other owners | 5 |