- All sections
- C - Chemistrymetallurgy
- C03C - Chemical composition of glasses, glazes or vitreous enamelssurface treatment of glasssurface treatment of fibres or filaments made from glass, minerals or slagsjoining 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: 1871
10-year publication summary
|
143
|
162
|
151
|
163
|
138
|
115
|
139
|
142
|
125
|
58
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saint-Gobain Glass France | 3750 |
200 |
| Corning Incorporated | 10240 |
172 |
| Pilkington Group Limited | 773 |
91 |
| Agc, Inc. | 4760 |
90 |
| Guardian Glass, LLC | 574 |
83 |
| Asahi Glass Company, Limited | 2807 |
71 |
| AGC Glass Europe | 1120 |
60 |
| Vitro Flat Glass LLC | 452 |
49 |
| Guardian Industries Corp. | 350 |
48 |
| View Operating Corporation | 515 |
40 |
| Nippon Electric Glass Co., Ltd. | 2450 |
37 |
| Nippon Sheet Glass Company, Limited | 999 |
35 |
| SCHOTT AG | 1709 |
34 |
| Cardinal CG Company | 220 |
31 |
| FUJIFILM Corporation | 29251 |
28 |
| Samsung Electronics Co., Ltd. | 144426 |
24 |
| Apple Inc. | 54527 |
18 |
| Hoya Corporation | 2737 |
16 |
| PPG Industries Ohio, Inc. | 3458 |
14 |
| Guardian Europe S.a.r.l. | 86 |
14 |
| Other owners | 716 |