- 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 33/00 - Feeding extrusion presses with metal to be extruded
Patent holdings for IPC class B21C 33/00
Total number of patents in this class: 59
10-year publication summary
7
|
6
|
6
|
4
|
8
|
6
|
3
|
2
|
8
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Manchester Copper Products, LLC | 16 |
8 |
Ube Machinery Corporation, Ltd. | 118 |
4 |
Battelle Memorial Institute | 2356 |
3 |
Aubert & Duval | 106 |
3 |
Bruhnke, Ulrich | 12 |
2 |
G. James Australia Pty. Ltd. | 3 |
2 |
Granco Clark, Inc. | 8 |
2 |
Ohio University | 375 |
2 |
Massive Lab Inc. | 2 |
2 |
Caterpillar Inc. | 8877 |
1 |
Aisin Keikinzoku Co., Ltd. | 83 |
1 |
The Regents of the University of Michigan | 4409 |
1 |
Applied Composite Material LLC | 4 |
1 |
BIOTRONIK AG | 387 |
1 |
Brazeway, Inc. | 27 |
1 |
Cladinox International Limited | 3 |
1 |
Cladinox International Limited | 5 |
1 |
Danieli & C. Officine Meccaniche S.p.A. | 680 |
1 |
Desktop Metal, Inc. | 276 |
1 |
Giken Co., Ltd. | 3 |
1 |
Other owners | 20 |