- 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 33/033 - Apparatus for opening score lines in glass sheets
Patent holdings for IPC class C03B 33/033
Total number of patents in this class: 288
10-year publication summary
|
22
|
26
|
17
|
25
|
33
|
23
|
18
|
17
|
15
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10510 |
81 |
| Nippon Electric Glass Co., Ltd. | 2558 |
51 |
| Bando Kiko Co., Ltd. | 76 |
16 |
| Mitsuboshi Diamond Industrial Co., Ltd. | 148 |
12 |
| Saint-Gobain Glass France | 3240 |
11 |
| Nitto Denko Corporation | 8540 |
8 |
| SCHOTT AG | 1738 |
8 |
| Corning Precision Materials Co., Ltd. | 211 |
7 |
| Grenzebach Maschinenbau GmbH | 173 |
7 |
| Saint-Gobain Sekurit France | 838 |
7 |
| Agc, Inc. | 5537 |
6 |
| Asahi Glass Company, Limited | 2619 |
5 |
| Boe Technology Group Co., Ltd. | 44074 |
3 |
| Arizona Board of Regents on behalf of Arizona State University | 2941 |
3 |
| Disco Corporation | 1956 |
3 |
| Rofin-Sinar Technologies LLC | 21 |
3 |
| 4JET Microtech GmbH | 53 |
3 |
| Samsung Display Co., Ltd. | 38676 |
2 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8471 |
2 |
| Beijing BOE Display Technology Co., Ltd. | 2989 |
2 |
| Other owners | 48 |