- 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 5/173 - Apparatus for changing the composition of the molten glass in glass furnaces, e.g. for colouring the molten glass
Patent holdings for IPC class C03B 5/173
Total number of patents in this class: 47
10-year publication summary
|
2
|
6
|
1
|
4
|
4
|
6
|
3
|
7
|
2
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Owens-Brockway Glass Container Inc. | 763 |
14 |
| PPG Industries Ohio, Inc. | 3454 |
7 |
| Corning Incorporated | 10258 |
4 |
| Nippon Electric Glass Co., Ltd. | 2454 |
4 |
| Johns Manville | 954 |
2 |
| Applied Nanostructured Solutions, LLC | 94 |
1 |
| The United States of America as represented by the Secretary of the Navy | 2744 |
1 |
| Asahi Glass Company, Limited | 2793 |
1 |
| Bewex B.V. | 18 |
1 |
| Ferro Corporation | 243 |
1 |
| Ferro GmbH | 19 |
1 |
| Molten Aura Labs, LLC | 4 |
1 |
| Owens Brocking Glass Container Inc. | 1 |
1 |
| Saint-Gobain Glass France | 3757 |
1 |
| Vitro Flat Glass LLC | 460 |
1 |
| Pyro Green Innovations | 4 |
1 |
| Estal Packaging, S.A. | 14 |
1 |
| Agc, Inc. | 4820 |
1 |
| Hyattville Company Ltd. | 1 |
1 |
| Pictiva Displays International Limited | 263 |
1 |
| Other owners | 1 |