- All sections
- B - Performing operations; transporting
- B21K - Making forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels
- B21K 17/00 - Making sport articles, e.g. skates
Patent holdings for IPC class B21K 17/00
Total number of patents in this class: 58
10-year publication summary
|
6
|
6
|
5
|
7
|
11
|
7
|
4
|
9
|
5
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Acushnet Company | 2337 |
20 |
| Topgolf Callaway Brands Corp. | 1843 |
8 |
| Karsten Manufacturing Corporation | 2912 |
7 |
| Sumitomo Rubber Industries, Ltd. | 4421 |
4 |
| California Institute of Technology | 3884 |
2 |
| Callaway Golf Company | 810 |
2 |
| Chuo Industries, Ltd. | 4 |
2 |
| K.K. Endo Seisakusho | 23 |
2 |
| Mizuno Corporation | 780 |
2 |
| Alex Global Technology, Inc. | 21 |
1 |
| Fuji Kogyo Co., Ltd. | 73 |
1 |
| Fusheng Precision Co., Ltd. | 11 |
1 |
| Her Chang Technology Co., Ltd. | 1 |
1 |
| Wolff Industries, Inc. | 28 |
1 |
| Yonex Kabushiki Kaisha | 148 |
1 |
| Bauer Hockey Ltd. | 342 |
1 |
| Paradis, Daniel | 1 |
1 |
| Chuokogyo Kabushiki Kaisha | 1 |
1 |
| Other owners | 0 |