- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 51/08 - Making hollow objects characterised by the structure of the objects ball-shaped objects
Patent holdings for IPC class B21D 51/08
Total number of patents in this class: 16
10-year publication summary
|
1
|
1
|
0
|
0
|
0
|
2
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0
|
4
|
1
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| CB&I STS Delaware LLC. | 75 |
3 |
| Asahi Seisakusho Co., Ltd. | 8 |
1 |
| Interforge Klee GmbH | 3 |
1 |
| Obrist Closures Switzerland GmbH | 271 |
1 |
| Omnidea Lda. | 8 |
1 |
| RUBINETTERIE UTENSILERIE BONOMI S.r.l. | 5 |
1 |
| Safran Nacelles | 816 |
1 |
| Samtech Corporation | 14 |
1 |
| Samtech International, Inc. | 3 |
1 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3308 |
1 |
| Unifer S.p.A. | 3 |
1 |
| Aalberts Integrated Piping Systems Americas, Inc. | 28 |
1 |
| Mjolnir Spaceworks Co., Ltd. | 5 |
1 |
| Jiangsu Chengxin New Energy Technology Co., Ltd. | 1 |
1 |
| Other owners | 0 |