- All sections
- C - Chemistry; metallurgy
- C03C - Chemical composition of glasses, glazes or vitreous enamels; surface treatment of glass; surface treatment of fibres or filaments made from glass, minerals or slags; joining glass to glass or other materials
- C03C 3/076 - Glass compositions containing silica with 40% to 90% silica by weight
Patent holdings for IPC class C03C 3/076
Total number of patents in this class: 221
10-year publication summary
12
|
20
|
20
|
15
|
15
|
13
|
9
|
16
|
10
|
8
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Corning Incorporated | 9932 |
43 |
Nippon Electric Glass Co., Ltd. | 2299 |
19 |
Asahi Glass Company, Limited | 2985 |
17 |
SCHOTT AG | 1675 |
16 |
Agc, Inc. | 4029 |
16 |
Ivoclar Vivadent AG | 1060 |
9 |
Owens-Brockway Glass Container Inc. | 716 |
5 |
AGC Glass Europe | 1049 |
4 |
Nippon Sheet Glass Company, Limited | 992 |
4 |
PPG Industries Ohio, Inc. | 3430 |
3 |
Ohara Inc. | 200 |
3 |
Sumitomo Electric Industries, Ltd. | 14131 |
2 |
Shin-Etsu Chemical Co., Ltd. | 5132 |
2 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
2 |
The Government of the United States of America, as represented by the Secretary of the Navy | 1102 |
2 |
Guardian Industries Corp. | 392 |
2 |
Heraeus Quarzglas GmbH & Co. KG | 420 |
2 |
Saint-Gobain Glass France | 3641 |
2 |
Shindengen Electric Manufacturing Co., Ltd. | 774 |
2 |
Electric Glass Fiber America, LLC | 63 |
2 |
Other owners | 64 |