- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 9/24 - Furnaces through which the charge is moved mechanically, e.g. of tunnel type Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatmentFurnaces through which the charge is moved mechanically, e.g. of tunnel type Similar furnaces in which the charge moves by gravity characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path being carried by a conveyor
Patent holdings for IPC class F27B 9/24
Total number of patents in this class: 388
10-year publication summary
|
22
|
32
|
30
|
9
|
26
|
20
|
24
|
28
|
29
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 5211 |
21 |
| NGK Kilntech, Corporation | 28 |
14 |
| IHI Corporation | 3506 |
13 |
| Schwartz GmbH | 58 |
10 |
| Ebner Industrieofenbau GmbH | 143 |
9 |
| Saint-Gobain Isover | 663 |
9 |
| Illinois Tool Works Inc. | 11662 |
8 |
| Chugai Ro Co., Ltd. | 128 |
8 |
| SMS Group GmbH | 1151 |
7 |
| Danieli & C. Officine Meccaniche S.p.A. | 710 |
6 |
| E.t.i.a. Evaluation Technologique, Ingenierie et Applications | 38 |
6 |
| Research Institute of Industrial Science & Technology | 514 |
6 |
| Sumitomo Electric Sintered Alloy, Ltd. | 237 |
5 |
| ThyssenKrupp Steel Europe AG | 972 |
5 |
| ArcelorMittal | 2479 |
4 |
| ITT Italia S.r.l. | 158 |
4 |
| Paul Wurth S.A. | 428 |
4 |
| Primetals Technologies Austria GmbH | 563 |
4 |
| ThyssenKrupp AG | 3406 |
4 |
| Vesuvius France S.A. | 17 |
4 |
| Other owners | 237 |