- 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 17/04 - Forming tubes or rods by drawing from stationary or rotating tools or from forming nozzles
Patent holdings for IPC class C03B 17/04
Total number of patents in this class: 133
10-year publication summary
|
29
|
8
|
22
|
17
|
13
|
7
|
6
|
2
|
8
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Heraeus Quarzglas GmbH & Co. KG | 417 |
33 |
| SCHOTT AG | 1738 |
29 |
| Corning Incorporated | 10504 |
27 |
| Nippon Electric Glass Co., Ltd. | 2555 |
14 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 495 |
3 |
| Shin-Etsu Quartz Products Co., Ltd. | 144 |
3 |
| Massachusetts Institute of Technology | 10251 |
2 |
| Saint-Gobain Ceramics & Plastics, Inc. | 805 |
2 |
| Momentive Performance Materials Quartz, Inc. | 68 |
2 |
| Caihong Display Devices Co.,Ltd. | 77 |
2 |
| Krystal Technology UK Limited | 11 |
2 |
| The United States of America as represented by the Secretary of the Navy | 2858 |
1 |
| Hoya Corporation | 2721 |
1 |
| Billco Manufacturing, Inc. | 6 |
1 |
| Docter Optics SE | 114 |
1 |
| Glaston Finland Oy | 19 |
1 |
| The Government of the United States of America, as represented by the Secretary of the Navy | 1451 |
1 |
| Knauf Insulation SPRL | 169 |
1 |
| MB-Microtec AG | 50 |
1 |
| Saint-Gobain Sekurit France | 835 |
1 |
| Other owners | 5 |