- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 7/28 - Arrangements of linings
Patent holdings for IPC class F27B 7/28
Total number of patents in this class: 41
10-year publication summary
|
3
|
3
|
2
|
3
|
3
|
2
|
3
|
8
|
0
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Envirollea Inc. | 23 |
3 |
| BASF SE | 21101 |
2 |
| Nano One Materials Corp. | 71 |
2 |
| Refractory Intellectual Property GmbH & Co. KG | 555 |
2 |
| Vesuvius USA Corporation | 93 |
2 |
| L & F Co., Ltd. | 119 |
2 |
| LG Chem, Ltd. | 17704 |
1 |
| Sumitomo Chemical Company, Limited | 9098 |
1 |
| 3i Supply Company | 1 |
1 |
| Florida State University Research Foundation, Inc. | 784 |
1 |
| Gelion Technologies Pty Ltd | 63 |
1 |
| Industrial Accessories Company | 10 |
1 |
| The Japan Steel Works, Ltd. | 764 |
1 |
| Jingang New Materials Co., Ltd. | 7 |
1 |
| LWB Refractories GmbH | 2 |
1 |
| Resco Products, Inc. | 133 |
1 |
| SABIC Global Technologies B.V. | 4412 |
1 |
| Tanaka Chemical Corporation | 148 |
1 |
| Tenova S.p.A. | 155 |
1 |
| Toho Titanium Co., Ltd. | 255 |
1 |
| Other owners | 14 |