- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F27B - Furnaces, kilns, ovens, or retorts in general; open 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: 115
10-year publication summary
|
5
|
8
|
4
|
10
|
6
|
11
|
5
|
13
|
9
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| thyssenkrupp Polysius GmbH | 95 |
8 |
| ThyssenKrupp Industrial Solutions AG | 690 |
7 |
| ThyssenKrupp AG | 3207 |
6 |
| Quantum IR Technologies, LLC | 17 |
6 |
| Air Products and Chemicals, Inc. | 1435 |
5 |
| Holcim Technology Ltd. | 995 |
5 |
| Sumitomo Osaka Cement Co., Ltd. | 827 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8538 |
3 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3599 |
3 |
| Mitsubishi Heavy Industries Environmental & Chemical Engineering Co., Ltd. | 124 |
3 |
| Mitsubishi Materials Corporation | 2406 |
3 |
| Finn Recycling Oy | 12 |
3 |
| University of Florida Research Foundation, Inc. | 3958 |
2 |
| Andritz Oy | 281 |
2 |
| KHD Humboldt Wedag GmbH | 195 |
2 |
| Outotec (Finland) Oy | 489 |
2 |
| Taiheiyo Cement Corporation | 237 |
2 |
| Ube Industries, Ltd. | 879 |
2 |
| GPRE IP, LLC | 19 |
2 |
| Jiangsu Jinniu Environmental Protection Engineering Equipment Co., Ltd. | 2 |
2 |
| Other owners | 43 |