- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 7/36 - Arrangements of air or gas supply devices
Patent holdings for IPC class F27B 7/36
Total number of patents in this class: 157
10-year publication summary
|
11
|
8
|
9
|
7
|
11
|
7
|
15
|
19
|
14
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| thyssenkrupp Polysius GmbH | 166 |
10 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4118 |
8 |
| ThyssenKrupp AG | 3399 |
6 |
| BASF Toda Battery Materials LLC | 31 |
4 |
| ARDEX Group GmbH | 15 |
4 |
| Semiconductor Energy Laboratory Co., Ltd. | 11834 |
3 |
| The Japan Steel Works, Ltd. | 826 |
3 |
| KHD Humboldt Wedag GmbH | 194 |
3 |
| Novelis Inc. | 781 |
3 |
| Refractory Intellectual Property GmbH & Co. KG | 569 |
3 |
| ThyssenKrupp Industrial Solutions AG | 630 |
3 |
| Air Products and Chemicals, Inc. | 1474 |
2 |
| Air Liquide Deutschland G.m.b.H | 52 |
2 |
| Andritz Inc. | 322 |
2 |
| Andritz Oy | 295 |
2 |
| Loesche GmbH | 79 |
2 |
| Neste Oyj | 796 |
2 |
| Noritake Co., Limited | 271 |
2 |
| Oxbow Calcining LLC | 7 |
2 |
| Valmet AB | 554 |
2 |
| Other owners | 89 |