- 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 1/00 - CasingsLiningsWallsRoofs
Patent holdings for IPC class F27D 1/00
Total number of patents in this class: 688
10-year publication summary
|
52
|
49
|
57
|
58
|
52
|
44
|
58
|
49
|
42
|
22
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Krosakiharima Corporation | 283 |
36 |
| Refractory Intellectual Property GmbH & Co. KG | 540 |
27 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 491 |
19 |
| Nippon Steel Corporation | 6231 |
17 |
| JFE Steel Corporation | 6833 |
15 |
| Refratechnik Holding GmbH | 144 |
14 |
| Paul Wurth S.A. | 419 |
13 |
| Nichias Corporation | 392 |
11 |
| SGL Carbon SE | 388 |
10 |
| Novelis Inc. | 748 |
9 |
| Berry Metal Company | 52 |
8 |
| Calderys France | 52 |
8 |
| MAFTEC Co., Ltd. | 31 |
8 |
| Tokyo Electron Limited | 12694 |
7 |
| NGK Insulators, Ltd. | 4949 |
7 |
| Asahi Glass Company, Limited | 2792 |
7 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
7 |
| Harbisonwalker International Holdings, Inc. | 44 |
7 |
| PLANSEE SE | 233 |
6 |
| Shinagawa Refractories Co., Ltd. | 54 |
6 |
| Other owners | 446 |