- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 7/42 - Arrangement of controlling, monitoring, alarm or like devices
Patent holdings for IPC class F27B 7/42
Total number of patents in this class: 139
10-year publication summary
|
8
|
4
|
10
|
6
|
11
|
5
|
13
|
9
|
21
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| thyssenkrupp Polysius GmbH | 150 |
10 |
| Quantum IR Technologies, LLC | 19 |
8 |
| ThyssenKrupp AG | 3464 |
7 |
| ThyssenKrupp Industrial Solutions AG | 630 |
6 |
| Air Products and Chemicals, Inc. | 1461 |
5 |
| Sumitomo Osaka Cement Co., Ltd. | 883 |
4 |
| Tata Consultancy Services Limited | 2508 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 9030 |
3 |
| Mitsubishi Heavy Industries Environmental & Chemical Engineering Co., Ltd. | 127 |
3 |
| Mitsubishi Materials Corporation | 2465 |
3 |
| Finn Recycling Oy | 10 |
3 |
| Amrize Technology Switzerland LLC | 715 |
3 |
| LG Chem, Ltd. | 17846 |
2 |
| Semiconductor Energy Laboratory Co., Ltd. | 11701 |
2 |
| University of Florida Research Foundation, Inc. | 4150 |
2 |
| Andritz Oy | 288 |
2 |
| Holcim Technology Ltd. | 478 |
2 |
| The Japan Steel Works, Ltd. | 795 |
2 |
| KHD Humboldt Wedag GmbH | 189 |
2 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4056 |
2 |
| Other owners | 64 |