- All sections
- C - Chemistrymetallurgy
- C03B - Manufacture or shaping of glass, or of mineral or slag woolsupplementary processes in the manufacture or shaping of glass, or of mineral or slag wool
- C03B 3/00 - Charging the melting furnaces
Patent holdings for IPC class C03B 3/00
Total number of patents in this class: 160
10-year publication summary
|
9
|
14
|
13
|
14
|
13
|
17
|
9
|
10
|
9
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Owens-Brockway Glass Container Inc. | 798 |
32 |
| Saint-Gobain Isover | 679 |
17 |
| Corning Incorporated | 10514 |
15 |
| Johns Manville | 920 |
12 |
| Rockwool A/S | 841 |
11 |
| Asahi Glass Company, Limited | 2614 |
6 |
| Beteiligungen Sorg GmbH & Co. KG | 49 |
5 |
| Nippon Electric Glass Co., Ltd. | 2559 |
5 |
| Knauf Insulation SPRL | 169 |
3 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4120 |
3 |
| ROCKWOOL International A/S | 278 |
3 |
| Massachusetts Institute of Technology | 10259 |
2 |
| AGC Glass Europe | 1181 |
2 |
| AvanStrate Inc. | 104 |
2 |
| Knauf Insulation | 48 |
2 |
| ARC France | 88 |
2 |
| Caihong Display Devices Co.,Ltd. | 77 |
2 |
| International Partners in Glass Research (IPGR) e.V. | 5 |
2 |
| PPG Industries Ohio, Inc. | 3325 |
1 |
| Avanstrate Korea Inc. | 14 |
1 |
| Other owners | 32 |