- 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 5/237 - Regenerators or recuperators specially adapted for glass-melting furnaces
Patent holdings for IPC class C03B 5/237
Total number of patents in this class: 147
10-year publication summary
|
13
|
15
|
10
|
11
|
5
|
7
|
7
|
9
|
9
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Praxair Technology, Inc. | 1203 |
29 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4148 |
22 |
| Fosbel, Inc. | 61 |
9 |
| Agc, Inc. | 5664 |
8 |
| Air Products and Chemicals, Inc. | 1476 |
6 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 499 |
6 |
| Johns Manville | 918 |
4 |
| Fsbl Acquisition, Inc. | 16 |
4 |
| American Air Liquide, Inc. | 269 |
3 |
| Fare S.r.l. | 6 |
3 |
| Linde Aktiengesellschaft | 1410 |
3 |
| Software & Technologie Glas GmbH (stg) | 7 |
3 |
| Corning Incorporated | 10558 |
2 |
| AGC Glass Europe | 1190 |
2 |
| Knauf Insulation, Inc. | 183 |
2 |
| Messer Austria GmbH | 25 |
2 |
| Owens-Brockway Glass Container Inc. | 804 |
2 |
| Refractory Intellectual Property GmbH & Co. KG | 571 |
2 |
| Saint-Gobain Isover | 685 |
2 |
| Toyo Glass Co., Ltd. | 69 |
2 |
| Other owners | 31 |