- 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 19/09 - Other methods of shaping glass by fusing powdered glass in a shaping mould
Patent holdings for IPC class C03B 19/09
Total number of patents in this class: 149
10-year publication summary
|
7
|
6
|
8
|
12
|
6
|
9
|
7
|
5
|
3
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumco Corporation | 1107 |
36 |
| Heraeus Quarzglas GmbH & Co. KG | 416 |
17 |
| Shin-Etsu Quartz Products Co., Ltd. | 143 |
16 |
| Japan Super Quartz Corporation | 36 |
10 |
| Corning Incorporated | 10532 |
7 |
| Hansol Iones Co., Ltd. | 16 |
4 |
| LONGi Green Energy Technology Co., Ltd. | 443 |
3 |
| Samsung Electronics Co., Ltd. | 158842 |
2 |
| Raytheon Company | 8443 |
2 |
| Carl Zeiss SMT GmbH | 3364 |
2 |
| EEStor, Inc. | 14 |
2 |
| Momentive Performance Materials Quartz, Inc. | 68 |
2 |
| Stone Composite Surfaces, Inc. | 6 |
2 |
| Zgrit Limited | 2 |
2 |
| Baoshan Longi Silicon Materials Co., Ltd. | 5 |
2 |
| Xerox Corporation | 4382 |
1 |
| The Boeing Company | 20197 |
1 |
| United Technologies Corporation | 2217 |
1 |
| Pratt & Whitney Canada Corp. | 5528 |
1 |
| GM Global Technology Operations LLC | 16219 |
1 |
| Other owners | 35 |