- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 51/18 - Making hollow objects characterised by the use of the objects vessels, e.g. tubs, vats, tanks, sinks, or the like
Patent holdings for IPC class B21D 51/18
Total number of patents in this class: 141
10-year publication summary
|
10
|
10
|
7
|
5
|
7
|
13
|
13
|
10
|
6
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Suzhou Hycan Holdings Co., Ltd. | 29 |
6 |
| The Coca-Cola Company | 2436 |
4 |
| Toyo Seikan Co., Ltd. | 625 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 9188 |
3 |
| Ball Corporation | 401 |
3 |
| Graphic Packaging International, LLC | 1630 |
3 |
| Wuxi Sifang Youxin Stock Co., Ltd. | 12 |
3 |
| Nanjing Sifang Drum-manufacture Co., Ltd | 10 |
3 |
| Taicang Sifang Youxin Drum-manufacture Co., Ltd | 10 |
3 |
| LG Electronics Inc. | 75973 |
2 |
| BSH Hausgeräte GmbH | 5655 |
2 |
| Cantoni Gruas y Montajes S.r.l. | 7 |
2 |
| Fuji Springs Co., Inc. | 17 |
2 |
| Futaba Industrial Co., Ltd. | 367 |
2 |
| Hfa, Inc. | 57 |
2 |
| JFE Steel Corporation | 7617 |
2 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2842 |
2 |
| KYB Corporation | 1432 |
2 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4132 |
2 |
| Rheem Manufacturing Company | 1029 |
2 |
| Other owners | 87 |