- 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 1/16 - Making or repairing linings
Patent holdings for IPC class F27D 1/16
Total number of patents in this class: 318
10-year publication summary
|
23
|
23
|
28
|
16
|
17
|
19
|
23
|
12
|
30
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Krosakiharima Corporation | 300 |
27 |
| Refractory Intellectual Property GmbH & Co. KG | 568 |
19 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 497 |
16 |
| Fosbel, Inc. | 61 |
9 |
| Nippon Steel Corporation | 6932 |
8 |
| Paul Wurth S.A. | 429 |
7 |
| Harbisonwalker International Holdings, Inc. | 57 |
7 |
| Vesuvius USA Corporation | 93 |
6 |
| Doggone Investment Co. LLC | 20 |
6 |
| Illinois Tool Works Inc. | 11862 |
5 |
| JFE Steel Corporation | 7589 |
5 |
| SMS Siemag Aktiengesellschaft | 484 |
5 |
| Fib-services Intellectual S.A. | 7 |
4 |
| Primetals Technologies Austria GmbH | 577 |
4 |
| Shinagawa Refractories Co., Ltd. | 50 |
4 |
| Vesuvius Group S.A. | 111 |
4 |
| Amerifab, Inc. | 52 |
3 |
| ATI Properties LLC | 200 |
3 |
| Brokk Aktiebolag | 33 |
3 |
| Luyang Energy-saving Materials Co., Ltd. | 25 |
3 |
| Other owners | 170 |