- All sections
- C - Chemistry; metallurgy
- C03B - Manufacture or shaping of glass, or of mineral or slag wool; supplementary processes in the manufacture or shaping of glass, or of mineral or slag wool
- C03B 19/02 - Other methods of shaping glass by casting
Patent holdings for IPC class C03B 19/02
Total number of patents in this class: 155
10-year publication summary
|
18
|
26
|
21
|
19
|
15
|
15
|
14
|
19
|
15
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 9932 |
20 |
| Nippon Electric Glass Co., Ltd. | 2299 |
9 |
| SCHOTT AG | 1675 |
6 |
| 1824930 Alberta Ltd | 38 |
6 |
| Massachusetts Institute of Technology | 9795 |
4 |
| CDGM Glass Co., Ltd | 124 |
4 |
| HASS Co., Ltd. | 54 |
4 |
| Agc, Inc. | 4029 |
4 |
| Hoya Corporation | 2822 |
3 |
| DENTSPLY SIRONA Inc. | 1860 |
3 |
| James R. Glidewell Dental Ceramics, Inc. | 205 |
3 |
| Tunghsu Group Co., Ltd. | 58 |
3 |
| Bass Co., Ltd. | 25 |
3 |
| Docter Optics SE | 116 |
2 |
| Genics Inc. | 5 |
2 |
| Heraeus Quarzglas GmbH & Co. KG | 420 |
2 |
| Ivoclar Vivadent AG | 1060 |
2 |
| Korea Hydro & Nuclear Power Co., Ltd. | 383 |
2 |
| Lehigh University | 160 |
2 |
| Sumco Corporation | 1116 |
2 |
| Other owners | 69 |