- 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 51/16 - Making hollow objects characterised by the use of the objects
Patent holdings for IPC class B21D 51/16
Total number of patents in this class: 224
10-year publication summary
|
16
|
11
|
12
|
11
|
13
|
12
|
7
|
4
|
7
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Continental Emitec GmbH | 49 |
5 |
| Cummins Filtration IP, Inc. | 812 |
4 |
| JFE Steel Corporation | 6067 |
4 |
| Sumitomo Heavy Industries, Ltd. | 1670 |
4 |
| Tenneco Automotive Operating Company Inc. | 658 |
4 |
| Vactronix Scientific, LLC | 91 |
4 |
| Robert Bosch GmbH | 40953 |
3 |
| Ibiden Co., Ltd. | 1724 |
3 |
| Cummins Filtration Inc. | 171 |
3 |
| Eberspaecher Exhaust Technology GmbH & Co. KG | 62 |
3 |
| Koninklijke Douwe Egberts B.V. | 938 |
3 |
| Nippon Steel & Sumitomo Metal Corporation | 1990 |
3 |
| Nisshin Steel Co., Ltd. | 401 |
3 |
| Noritz Corporation | 255 |
3 |
| Shape Corp. | 166 |
3 |
| Purem GmbH, Formerly, Eberspächer Exhaust Technology GmbH | 288 |
3 |
| General Electric Company | 18133 |
2 |
| 3m Innovative Properties Company | 18406 |
2 |
| LG Electronics Inc. | 69257 |
2 |
| The Boeing Company | 19843 |
2 |
| Other owners | 161 |