- All sections
- C - Chemistrymetallurgy
- C03B - Manufacture or shaping of glass, or of mineral or slag woolsupplementary processes in the manufacture or shaping of glass, or of mineral or slag wool
- C03B 21/04 - Severing glass sheets, tubes, or rods while still plastic by punching out
Patent holdings for IPC class C03B 21/04
Total number of patents in this class: 11
10-year publication summary
|
3
|
0
|
0
|
1
|
1
|
0
|
0
|
0
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0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10259 |
8 |
| The Furukawa Electric Co., Ltd. | 3650 |
1 |
| Auer Lighting GmbH | 11 |
1 |
| Tomi (Chengdu) Applied Technology Research Institute Company Limited | 3 |
1 |
| Other owners | 0 |