- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F27B - Furnaces, kilns, ovens, or retorts in general; open 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: 39
10-year publication summary
1
|
3
|
4
|
2
|
5
|
3
|
2
|
3
|
8
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Envirollea Inc. | 23 |
3 |
Tenova S.p.A. | 150 |
3 |
BASF SE | 19740 |
2 |
Refractory Intellectual Property GmbH & Co. KG | 502 |
2 |
Vesuvius USA Corporation | 99 |
2 |
L & F Co., Ltd. | 94 |
2 |
LG Chem, Ltd. | 17205 |
1 |
Sumitomo Chemical Company, Limited | 8808 |
1 |
3i Supply Company | 1 |
1 |
Gelion Technologies Pty Ltd | 67 |
1 |
Industrial Accessories Company | 9 |
1 |
The Japan Steel Works, Ltd. | 597 |
1 |
Jingang New Materials Co., Ltd. | 7 |
1 |
LWB Refractories GmbH | 2 |
1 |
Nano One Materials Corp. | 65 |
1 |
Resco Products, Inc. | 139 |
1 |
SABIC Global Technologies B.V. | 4044 |
1 |
Tanaka Chemical Corporation | 138 |
1 |
Toho Titanium Co., Ltd. | 249 |
1 |
University of Science and Technology Beijing | 245 |
1 |
Other owners | 11 |