- 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: 148
10-year publication summary
8
|
9
|
14
|
13
|
14
|
13
|
17
|
9
|
10
|
3
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Owens-Brockway Glass Container Inc. | 760 |
27 |
Saint-Gobain Isover | 633 |
17 |
Corning Incorporated | 10252 |
15 |
Johns Manville | 953 |
12 |
Rockwool A/S | 781 |
8 |
Asahi Glass Company, Limited | 2799 |
6 |
Beteiligungen Sorg GmbH & Co. KG | 47 |
5 |
Nippon Electric Glass Co., Ltd. | 2454 |
4 |
Knauf Insulation | 49 |
3 |
Knauf Insulation SPRL | 173 |
3 |
ROCKWOOL International A/S | 307 |
3 |
Massachusetts Institute of Technology | 10036 |
2 |
AvanStrate Inc. | 108 |
2 |
Gibraltar Business Capital, LLC | 10 |
2 |
OCV Intellectual Capital, LLC | 187 |
2 |
Plasma Tech Holdings, LLC | 14 |
2 |
ARC France | 44 |
2 |
International Partners in Glass Research (IPGR) e.V. | 5 |
2 |
GKAT Reclamation, LLC | 5 |
2 |
PPG Industries Ohio, Inc. | 3457 |
1 |
Other owners | 28 |