- 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 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: 124
10-year publication summary
|
14
|
11
|
7
|
12
|
14
|
14
|
6
|
3
|
8
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10383 |
23 |
| Saint-Gobain Glass France | 3244 |
13 |
| Luoyang Landglass Technology Co., Ltd | 92 |
12 |
| Glasstech, Inc. | 120 |
10 |
| Saint-Gobain Sekurit France | 704 |
9 |
| Glaston Finland Oy | 16 |
7 |
| Asahi Glass Company, Limited | 2738 |
5 |
| Pilkington Group Limited | 774 |
5 |
| Glaston Corporation | 5 |
3 |
| Taifin Glass Machinery Oy | 4 |
3 |
| Finntemp Oy | 3 |
3 |
| PPG Industries Ohio, Inc. | 3417 |
2 |
| sedak GmbH & Co. KG | 40 |
2 |
| AGC Glass Europe | 1145 |
1 |
| JPMorgan Chase Bank, National Association | 8614 |
1 |
| Cardinal FG Company | 15 |
1 |
| Corning Precision Materials Co., Ltd. | 211 |
1 |
| Feracitas Oy | 3 |
1 |
| Glaston Services Ltd. Oy | 4 |
1 |
| Leybold Optics GmbH | 44 |
1 |
| Other owners | 20 |