- All sections
- B - Performing operations; transporting
- B21C - Manufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling; auxiliary operations used in connection with metal-working without essentially removing material
- B21C 37/16 - Making tubes with varying diameter in longitudinal direction
Patent holdings for IPC class B21C 37/16
Total number of patents in this class: 82
10-year publication summary
11
|
7
|
6
|
4
|
6
|
5
|
6
|
11
|
4
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
JFE Steel Corporation | 6450 |
5 |
American Axle & Manufacturing, Inc. | 659 |
4 |
Nippon Steel Corporation | 5955 |
4 |
U.S. Manufacturing Corporation | 10 |
4 |
Outokumpu Oyj | 255 |
3 |
Constellium SINGEN GmbH | 87 |
2 |
Future Titanium Technology Pty Ltd | 2 |
2 |
GKN Driveline International GmbH | 177 |
2 |
Magna Powertrain GmbH & Co KG | 290 |
2 |
Metal Forming & Coining Corporation | 6 |
2 |
Musashi Seimitsu Industry Co., Ltd. | 177 |
2 |
Nippon Steel & Sumitomo Metal Corporation | 1988 |
2 |
SchmitterGroup AG | 6 |
2 |
Sumitomo Heavy Industries, Ltd. | 1789 |
2 |
Tata Steel Limited | 189 |
2 |
Peter Fuchs Technology Group AG | 2 |
2 |
Walter Henrich GmbH | 3 |
2 |
Benteler Steel/Tube GmbH | 38 |
2 |
Intel Corporation | 46111 |
1 |
GM Global Technology Operations LLC | 13963 |
1 |
Other owners | 34 |