- 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 1/00 - Casings; Linings; Walls; Roofs
Patent holdings for IPC class F27D 1/00
Total number of patents in this class: 649
10-year publication summary
|
46
|
52
|
49
|
57
|
58
|
52
|
41
|
52
|
46
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Krosakiharima Corporation | 259 |
31 |
| Refractory Intellectual Property GmbH & Co. KG | 502 |
24 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 475 |
20 |
| Nippon Steel Corporation | 5649 |
16 |
| Refratechnik Holding GmbH | 138 |
14 |
| JFE Steel Corporation | 6067 |
13 |
| Paul Wurth S.A. | 392 |
11 |
| Nichias Corporation | 386 |
10 |
| Novelis Inc. | 656 |
9 |
| SGL Carbon SE | 388 |
9 |
| Berry Metal Company | 52 |
8 |
| Tokyo Electron Limited | 11599 |
7 |
| Asahi Glass Company, Limited | 2985 |
7 |
| Hatch Ltd. | 219 |
7 |
| Nippon Steel & Sumitomo Metal Corporation | 1990 |
7 |
| Shinagawa Refractories Co., Ltd. | 55 |
7 |
| NGK Insulators, Ltd. | 4589 |
6 |
| PLANSEE SE | 233 |
6 |
| Imertech SAS | 224 |
6 |
| Allied Mineral Products, LLC | 38 |
6 |
| Other owners | 425 |