- 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 27/044 - Tempering glass products using gas for flat or bent glass sheets being in a horizontal position
Patent holdings for IPC class C03B 27/044
Total number of patents in this class: 123
10-year publication summary
|
15
|
12
|
8
|
14
|
14
|
13
|
6
|
3
|
8
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10125 |
22 |
| Saint-Gobain Glass France | 3788 |
22 |
| Luoyang Landglass Technology Co., Ltd | 93 |
13 |
| Glasstech, Inc. | 124 |
10 |
| Glaston Finland Oy | 14 |
6 |
| Asahi Glass Company, Limited | 2882 |
5 |
| Pilkington Group Limited | 768 |
5 |
| Glaston Corporation | 5 |
3 |
| Taifin Glass Machinery Oy | 4 |
3 |
| Finntemp Oy | 3 |
3 |
| PPG Industries Ohio, Inc. | 3449 |
2 |
| sedak GmbH & Co. KG | 40 |
2 |
| AGC Glass Europe | 1107 |
1 |
| JPMorgan Chase Bank, National Association | 8416 |
1 |
| Cardinal FG Company | 15 |
1 |
| Cardinal IG Company | 151 |
1 |
| Corning Precision Materials Co., Ltd. | 209 |
1 |
| Feracitas Oy | 3 |
1 |
| Glaston Services Ltd. Oy | 4 |
1 |
| Leybold Optics GmbH | 48 |
1 |
| Other owners | 19 |