- 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 51/18 - 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: 127
10-year publication summary
12
|
10
|
10
|
10
|
7
|
5
|
7
|
13
|
13
|
5
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Suzhou Hycan Holdings Co., Ltd. | 25 |
5 |
The Coca-Cola Company | 2528 |
4 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
3 |
Ball Corporation | 390 |
3 |
Graphic Packaging International, LLC | 1364 |
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 |
Honda Motor Co., Ltd. | 24537 |
2 |
Yazaki Energy System Corporation | 99 |
2 |
BSH Hausgeräte GmbH | 5384 |
2 |
Cantoni Gruas y Montajes S.r.l. | 7 |
2 |
Hfa, Inc. | 47 |
2 |
JFE Steel Corporation | 6067 |
2 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
2 |
KYB Corporation | 1278 |
2 |
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
2 |
Montebello Technology Services Ltd. | 8 |
2 |
Takeuchi Press Industries Co., Ltd. | 10 |
2 |
Tenneco GmbH | 117 |
2 |
Other owners | 76 |