- 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: 993
10-year publication summary
|
69
|
63
|
58
|
65
|
68
|
70
|
63
|
70
|
104
|
60
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ThyssenKrupp AG | 3409 |
26 |
| ArcelorMittal | 2672 |
24 |
| JFE Steel Corporation | 7527 |
24 |
| Novelis Inc. | 779 |
21 |
| Air Products and Chemicals, Inc. | 1471 |
18 |
| Tokyo Electron Limited | 13807 |
17 |
| thyssenkrupp Polysius GmbH | 165 |
17 |
| Ivoclar Vivadent AG | 1047 |
16 |
| Hatch Ltd. | 221 |
15 |
| Primetals Technologies Austria GmbH | 573 |
14 |
| SMS Group GmbH | 1197 |
14 |
| Siemens AG | 24029 |
13 |
| Danieli & C. Officine Meccaniche S.p.A. | 720 |
13 |
| Paul Wurth S.A. | 432 |
13 |
| Applied Materials, Inc. | 20375 |
12 |
| POSCO | 2143 |
12 |
| ABB Schweiz AG | 7607 |
11 |
| Corning Incorporated | 10504 |
10 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4117 |
10 |
| Maerz Ofenbau AG | 52 |
10 |
| Other owners | 683 |