- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 834
10-year publication summary
|
63
|
69
|
63
|
58
|
64
|
67
|
62
|
55
|
64
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ThyssenKrupp AG | 3207 |
23 |
| Novelis Inc. | 702 |
19 |
| Tokyo Electron Limited | 12067 |
16 |
| Ivoclar Vivadent AG | 1061 |
16 |
| JFE Steel Corporation | 6527 |
16 |
| Hatch Ltd. | 215 |
15 |
| Siemens AG | 24575 |
14 |
| Air Products and Chemicals, Inc. | 1425 |
14 |
| ArcelorMittal | 2047 |
13 |
| POSCO | 2204 |
13 |
| Primetals Technologies Austria GmbH | 508 |
13 |
| Paul Wurth S.A. | 407 |
12 |
| SMS Group GmbH | 1077 |
12 |
| Applied Materials, Inc. | 17676 |
11 |
| SMS Siemag Aktiengesellschaft | 515 |
11 |
| Corning Incorporated | 10087 |
10 |
| Danieli & C. Officine Meccaniche S.p.A. | 704 |
10 |
| Innovatherm Prof. Dr. Leisenberg GmbH & Co. KG | 31 |
10 |
| Maerz Ofenbau AG | 43 |
10 |
| Outotec (Finland) Oy | 489 |
10 |
| Other owners | 566 |