- 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 99/00 - Subject matter not provided for in other groups of this subclass
Patent holdings for IPC class F27D 99/00
Total number of patents in this class: 723
10-year publication summary
|
62
|
43
|
57
|
49
|
43
|
47
|
48
|
60
|
63
|
36
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novelis Inc. | 750 |
16 |
| Paul Wurth S.A. | 419 |
13 |
| Danieli & C. Officine Meccaniche S.p.A. | 714 |
12 |
| SMS Group GmbH | 1125 |
12 |
| Metso Metals Oy | 206 |
12 |
| Molten Metal Equipment Innovations, LLC | 99 |
11 |
| Ebner Industrieofenbau GmbH | 142 |
10 |
| Illinois Tool Works Inc. | 11470 |
8 |
| Air Products and Chemicals, Inc. | 1423 |
8 |
| Outotec (Finland) Oy | 480 |
8 |
| Tenova S.p.A. | 156 |
8 |
| ThyssenKrupp AG | 3283 |
8 |
| Corning Incorporated | 10259 |
7 |
| Fives Stein | 105 |
7 |
| Linde Aktiengesellschaft | 1506 |
7 |
| EagleBurgmann Germany GmbH & Co. KG | 338 |
6 |
| IHI Corporation | 3426 |
6 |
| Inductotherm Corp. | 161 |
6 |
| JFE Steel Corporation | 6840 |
6 |
| Johns Manville | 954 |
6 |
| Other owners | 546 |