- All sections
- B - Performing operations; transporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing material; punching 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: 8
10-year publication summary
1
|
0
|
1
|
1
|
0
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0
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0
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2
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0
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1
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Asahi Seisakusho Co., Ltd. | 7 |
1 |
Interforge Klee GmbH | 3 |
1 |
Obrist Closures Switzerland GmbH | 272 |
1 |
Omnidea Lda. | 9 |
1 |
RUBINETTERIE UTENSILERIE BONOMI S.r.l. | 7 |
1 |
Safran Nacelles | 587 |
1 |
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 2856 |
1 |
Unifer S.p.A. | 3 |
1 |
Other owners | 0 |