- 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 17/34 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
Patent holdings for IPC class C03C 17/34
Total number of patents in this class: 1784
10-year publication summary
|
132
|
143
|
162
|
151
|
162
|
136
|
114
|
136
|
138
|
42
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saint-Gobain Glass France | 3641 |
196 |
| Corning Incorporated | 9932 |
156 |
| Pilkington Group Limited | 748 |
89 |
| Guardian Glass, LLC | 558 |
80 |
| Asahi Glass Company, Limited | 2985 |
73 |
| Agc, Inc. | 4029 |
71 |
| Guardian Industries Corp. | 392 |
53 |
| AGC Glass Europe | 1049 |
51 |
| View, Inc. | 792 |
45 |
| Vitro Flat Glass LLC | 419 |
40 |
| Nippon Sheet Glass Company, Limited | 992 |
35 |
| Cardinal CG Company | 226 |
34 |
| Nippon Electric Glass Co., Ltd. | 2299 |
34 |
| SCHOTT AG | 1675 |
33 |
| FUJIFILM Corporation | 27102 |
28 |
| Samsung Electronics Co., Ltd. | 131630 |
18 |
| Apple Inc. | 50209 |
17 |
| Hoya Corporation | 2822 |
16 |
| PPG Industries Ohio, Inc. | 3430 |
16 |
| Guardian Europe S.a.r.l. | 93 |
15 |
| Other owners | 684 |