- 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 39/04 - Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with rods
Patent holdings for IPC class B21D 39/04
Total number of patents in this class: 670
10-year publication summary
|
47
|
67
|
50
|
71
|
57
|
69
|
65
|
58
|
39
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uniflex-Hydraulik GmbH | 51 |
26 |
| Milwaukee Electric Tool Corporation | 3572 |
23 |
| Victaulic Company | 664 |
17 |
| Trinity Bay Equipment Holdings, LLC | 244 |
17 |
| Novopress GmbH Pressen und Presswerkzeuge & Co. KG | 31 |
15 |
| Gustav Klauke GmbH | 139 |
14 |
| Hubbell Incorporated | 3052 |
12 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
12 |
| Viega Technology GmbH & Co. KG | 102 |
12 |
| Henn GmbH & Co. KG | 75 |
11 |
| Adey Holdings (2008) Limited | 322 |
9 |
| ContiTech USA, Inc. | 511 |
9 |
| Abbott Cardiovascular Systems, Inc. | 1117 |
8 |
| Kobe Steel, Ltd. | 912 |
8 |
| Hilti Aktiengesellschaft | 3227 |
7 |
| Edwards Lifesciences Corporation | 4141 |
7 |
| Emerson Electric Co. | 601 |
7 |
| The Boeing Company | 19843 |
6 |
| AFL Telecommunications LLC | 656 |
6 |
| Gates Corporation | 1182 |
6 |
| Other owners | 438 |