- 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: 779
10-year publication summary
|
78
|
63
|
69
|
63
|
58
|
63
|
62
|
61
|
53
|
15
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hatch Ltd. | 219 |
19 |
| Novelis Inc. | 656 |
17 |
| ThyssenKrupp AG | 3086 |
17 |
| Tokyo Electron Limited | 11599 |
16 |
| Ivoclar Vivadent AG | 1060 |
16 |
| Siemens AG | 24990 |
14 |
| Air Products and Chemicals, Inc. | 1448 |
14 |
| JFE Steel Corporation | 6067 |
14 |
| ArcelorMittal | 1887 |
13 |
| POSCO | 2222 |
13 |
| Paul Wurth S.A. | 392 |
11 |
| SMS Group GmbH | 1029 |
11 |
| SMS Siemag Aktiengesellschaft | 529 |
11 |
| Corning Incorporated | 9932 |
10 |
| Danieli & C. Officine Meccaniche S.p.A. | 680 |
10 |
| Innovatherm Prof. Dr. Leisenberg GmbH & Co. KG | 29 |
10 |
| Outotec (Finland) Oy | 491 |
10 |
| Primetals Technologies Austria GmbH | 479 |
10 |
| Applied Materials, Inc. | 16587 |
9 |
| ABB Schweiz AG | 6321 |
9 |
| Other owners | 525 |