- 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: 906
10-year publication summary
|
63
|
69
|
63
|
58
|
64
|
67
|
66
|
60
|
65
|
66
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ThyssenKrupp AG | 3283 |
23 |
| Novelis Inc. | 750 |
22 |
| JFE Steel Corporation | 6840 |
20 |
| ArcelorMittal | 2285 |
19 |
| Tokyo Electron Limited | 12712 |
17 |
| Ivoclar Vivadent AG | 1053 |
17 |
| Air Products and Chemicals, Inc. | 1423 |
15 |
| Hatch Ltd. | 214 |
15 |
| Primetals Technologies Austria GmbH | 532 |
14 |
| Siemens AG | 24484 |
13 |
| Danieli & C. Officine Meccaniche S.p.A. | 714 |
13 |
| POSCO | 2186 |
13 |
| SMS Group GmbH | 1125 |
13 |
| thyssenkrupp Polysius GmbH | 130 |
13 |
| Applied Materials, Inc. | 18621 |
12 |
| Paul Wurth S.A. | 419 |
12 |
| SMS Siemag Aktiengesellschaft | 505 |
11 |
| Corning Incorporated | 10259 |
10 |
| ABB Schweiz AG | 6969 |
10 |
| Innovatherm Prof. Dr. Leisenberg GmbH & Co. KG | 30 |
10 |
| Other owners | 614 |