- 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 5/04 - Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in tank furnaces
Patent holdings for IPC class C03B 5/04
Total number of patents in this class: 113
10-year publication summary
|
10
|
11
|
9
|
10
|
14
|
11
|
5
|
1
|
5
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Johns Manville | 980 |
20 |
| AGC Glass Europe | 1049 |
12 |
| Corning Incorporated | 9932 |
11 |
| Saint-Gobain Glass France | 3641 |
8 |
| Asahi Glass Company, Limited | 2985 |
7 |
| Owens-Brockway Glass Container Inc. | 716 |
7 |
| Beteiligungen Sorg GmbH & Co. KG | 45 |
6 |
| Saint-Gobain Isover | 603 |
6 |
| Fives Stein | 96 |
4 |
| Jushi Group Co., Ltd. | 113 |
4 |
| Engie | 174 |
3 |
| Superior Fibers, LLC | 14 |
3 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
2 |
| Land Instruments International Limited | 18 |
2 |
| Praxair Technology, Inc. | 1367 |
2 |
| SCHOTT AG | 1675 |
2 |
| Compania Vidriera, S.A. de C.V. | 2 |
1 |
| Glass Strand Inc. | 2 |
1 |
| Nihon Yamamura Glass Co., Ltd. | 144 |
1 |
| Nippon Sheet Glass Company, Limited | 992 |
1 |
| Other owners | 10 |