- 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 23/04 - Re-forming tubes or rods
Patent holdings for IPC class C03B 23/04
Total number of patents in this class: 43
10-year publication summary
|
3
|
2
|
6
|
2
|
4
|
0
|
4
|
3
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10275 |
15 |
| Heraeus Quarzglas GmbH & Co. KG | 410 |
5 |
| SCHOTT AG | 1711 |
5 |
| Nippon Electric Glass Co., Ltd. | 2463 |
2 |
| Norell, Inc. | 26 |
2 |
| Sumitomo Electric Industries, Ltd. | 15529 |
1 |
| Shin-Etsu Chemical Co., Ltd. | 5669 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10931 |
1 |
| The Furukawa Electric Co., Ltd. | 3667 |
1 |
| Aledia | 349 |
1 |
| Dalwick Continental Corp | 1 |
1 |
| Draka Comteq, B.V. | 254 |
1 |
| Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG | 77 |
1 |
| Euromatic S.r.l. | 10 |
1 |
| Vetreria di Borgonovo S.p.A. | 16 |
1 |
| Hebei MSD Glass Technology Co., Ltd | 1 |
1 |
| SCHOTT Poonawalla Pvt. Ltd. | 7 |
1 |
| SCHOTT Pharma AG & Co. KGaA | 112 |
1 |
| Dalwick Continental, S.A. de C.V. | 1 |
1 |
| Other owners | 0 |