- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27D - Details or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace
- F27D 19/00 - Arrangement of controlling devices
Patent holdings for IPC class F27D 19/00
Total number of patents in this class: 919
10-year publication summary
|
60
|
63
|
59
|
55
|
60
|
61
|
63
|
57
|
65
|
77
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ThyssenKrupp AG | 3303 |
24 |
| JFE Steel Corporation | 6892 |
22 |
| Novelis Inc. | 754 |
22 |
| ArcelorMittal | 2317 |
19 |
| Tokyo Electron Limited | 12841 |
17 |
| Ivoclar Vivadent AG | 1053 |
17 |
| Air Products and Chemicals, Inc. | 1441 |
15 |
| Hatch Ltd. | 213 |
15 |
| Primetals Technologies Austria GmbH | 539 |
15 |
| thyssenkrupp Polysius GmbH | 132 |
14 |
| Siemens AG | 24421 |
13 |
| Danieli & C. Officine Meccaniche S.p.A. | 718 |
13 |
| POSCO | 2184 |
13 |
| SMS Group GmbH | 1129 |
13 |
| Applied Materials, Inc. | 18819 |
12 |
| Paul Wurth S.A. | 418 |
12 |
| SMS Siemag Aktiengesellschaft | 506 |
11 |
| Corning Incorporated | 10294 |
10 |
| ABB Schweiz AG | 7023 |
10 |
| Innovatherm Prof. Dr. Leisenberg GmbH & Co. KG | 30 |
10 |
| Other owners | 622 |