- 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: 954
10-year publication summary
|
63
|
59
|
55
|
61
|
62
|
65
|
59
|
66
|
97
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 7213 |
24 |
| ThyssenKrupp AG | 3406 |
24 |
| Novelis Inc. | 784 |
22 |
| ArcelorMittal | 2479 |
21 |
| Air Products and Chemicals, Inc. | 1459 |
18 |
| Tokyo Electron Limited | 13428 |
17 |
| Ivoclar Vivadent AG | 1050 |
16 |
| Hatch Ltd. | 217 |
15 |
| Primetals Technologies Austria GmbH | 563 |
14 |
| thyssenkrupp Polysius GmbH | 139 |
14 |
| Siemens AG | 24337 |
13 |
| Danieli & C. Officine Meccaniche S.p.A. | 710 |
13 |
| SMS Group GmbH | 1151 |
13 |
| Applied Materials, Inc. | 19802 |
12 |
| Paul Wurth S.A. | 428 |
12 |
| POSCO | 2154 |
12 |
| Corning Incorporated | 10402 |
10 |
| ABB Schweiz AG | 7343 |
10 |
| Maerz Ofenbau AG | 49 |
10 |
| Outotec (Finland) Oy | 459 |
10 |
| Other owners | 654 |