- All sections
- B - Performing operationstransporting
- B21K - Making forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels
- B21K 1/44 - Making machine elements bolts, studs, or the like
Patent holdings for IPC class B21K 1/44
Total number of patents in this class: 37
10-year publication summary
|
2
|
3
|
2
|
0
|
1
|
3
|
4
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ArcelorMittal | 2064 |
3 |
| GLBS Patentverwertungsgesellschaft GbR | 4 |
3 |
| EJOT GmbH & Co. KG | 101 |
2 |
| Kamax Holding GmbH & Co. KG | 146 |
2 |
| Wieland-Werke AG | 324 |
2 |
| DSI Underground Australia Pty Limited | 11 |
2 |
| Bulten AB | 16 |
1 |
| Burgess-Norton Mfg. Co., Inc. | 11 |
1 |
| Componenta Finland Oy | 5 |
1 |
| Divergent Technologies, Inc. | 453 |
1 |
| DYWIDAG-Systems International Pty Limited | 14 |
1 |
| Garford Pty Ltd | 4 |
1 |
| Korea Institute of Machinery & Materials | 722 |
1 |
| MAHLE International GmbH | 2705 |
1 |
| Newfrey LLC | 538 |
1 |
| Ohio Rod Products | 1 |
1 |
| PEM Management, Inc. | 144 |
1 |
| Popenoe, Charles H. | 1 |
1 |
| Taeyang Metal Industrial Co., Ltd. | 3 |
1 |
| TRW Automotive GmbH | 579 |
1 |
| Other owners | 9 |