- 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 29/02 - Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins in a discontinuous way
Patent holdings for IPC class C03B 29/02
Total number of patents in this class: 117
10-year publication summary
|
14
|
10
|
12
|
11
|
9
|
9
|
6
|
7
|
5
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 9932 |
30 |
| Nipro Corporation | 995 |
14 |
| Hoya Corporation | 2822 |
7 |
| The Corning Museum of Glass | 12 |
5 |
| Spiral Arts Inc | 5 |
5 |
| Raytheon Company | 8535 |
4 |
| Nippon Electric Glass Co., Ltd. | 2299 |
4 |
| Asahi Glass Company, Limited | 2985 |
3 |
| Agc, Inc. | 4029 |
3 |
| Saint-Gobain Glass France | 3641 |
2 |
| SCHOTT AG | 1675 |
2 |
| SCHOTT Pharma AG & Co. KGaA | 108 |
2 |
| General Electric Company | 18133 |
1 |
| 3m Innovative Properties Company | 18406 |
1 |
| LG Electronics Inc. | 69257 |
1 |
| Nikon Corporation | 7162 |
1 |
| Nitto Denko Corporation | 7879 |
1 |
| ZF Friedrichshafen AG | 6820 |
1 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8635 |
1 |
| Toyoda Gosei Co., Ltd. | 1746 |
1 |
| Other owners | 28 |