- All sections
- B - Performing operationstransporting
- B21C - Manufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rollingauxiliary operations used in connection with metal-working without essentially removing material
- B21C 37/09 - Making tubes with welded or soldered seams of coated strip material
Patent holdings for IPC class B21C 37/09
Total number of patents in this class: 39
10-year publication summary
|
4
|
1
|
4
|
1
|
3
|
1
|
2
|
1
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daiwa Steel Tube Industries Co., Ltd. | 11 |
6 |
| Tenneco GmbH | 131 |
3 |
| TI Automotive (Heidelberg) GmbH | 19 |
3 |
| Bergrohr GmbH Siegen | 5 |
2 |
| Cap Technologies, LLC | 7 |
2 |
| Eisenbau Kramer GmbH | 7 |
2 |
| INDIANA TUBE Corp | 4 |
2 |
| Net Boru Sanayi ve DIS Ticaret Kollektif Sirketi Bora Saman ve Ortagi | 11 |
2 |
| General Electric Company | 17066 |
1 |
| Everlux S.r.l. | 7 |
1 |
| ExxonMobil Upstream Research Company | 2414 |
1 |
| MAHLE International GmbH | 2730 |
1 |
| Metafoam Technologies Inc. | 6 |
1 |
| Proportional Technologies, Inc. | 12 |
1 |
| Rehau AG + Co | 405 |
1 |
| Rehau Polymers (Suzhou) Co Ltd. | 2 |
1 |
| Sanoh Industrial Co., Ltd. | 207 |
1 |
| Tenaris Coiled Tubes, LLC | 22 |
1 |
| Toyo Kohan Co., Ltd. | 414 |
1 |
| Valeo Systemes Thermiques | 2677 |
1 |
| Other owners | 5 |