- 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 15/14 - Drawing tubes, cylinders, or rods from the melt
Patent holdings for IPC class C03B 15/14
Total number of patents in this class: 11
10-year publication summary
|
1
|
1
|
0
|
0
|
1
|
1
|
0
|
3
|
0
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SCHOTT AG | 1712 |
3 |
| Heraeus Quarzglas GmbH & Co. KG | 409 |
2 |
| Varian Semiconductor Equipment Associates, Inc. | 1231 |
1 |
| MB-Microtec AG | 47 |
1 |
| Shin-Etsu Handotai Co., Ltd. | 1284 |
1 |
| Sterlite Technologies Limited | 225 |
1 |
| Caihong Display Devices Co.,Ltd. | 49 |
1 |
| Cnbm Research Institute for Advanced Glass Materials Group Co., Ltd. | 61 |
1 |
| Other owners | 0 |