- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 9/34 - Arrangements of linings
Patent holdings for IPC class F27B 9/34
Total number of patents in this class: 53
10-year publication summary
|
3
|
4
|
4
|
6
|
2
|
3
|
3
|
3
|
1
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Illinois Tool Works Inc. | 11485 |
5 |
| NGK Insulators, Ltd. | 4973 |
3 |
| Nippon Steel Corporation | 6286 |
3 |
| GK Licensing, LLC | 4 |
2 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2870 |
2 |
| Lazar Anode Technologies AG | 3 |
2 |
| Vesuvius USA Corporation | 92 |
2 |
| Sejitech Co., Ltd. | 3 |
2 |
| MAFTEC Co., Ltd. | 32 |
2 |
| PTI IP LLC | 7 |
2 |
| Sumitomo Chemical Company, Limited | 9047 |
1 |
| Siemens Industry, Inc. | 1464 |
1 |
| Arai Foods Machinery Co., Ltd. | 7 |
1 |
| Berndorf Band GmbH | 113 |
1 |
| Eisenmann SE | 146 |
1 |
| Hans Lingl Anlagenbau und Verfahrenstechnik GmbH & Co. KG | 12 |
1 |
| IHI Corporation | 3449 |
1 |
| The Japan Steel Works, Ltd. | 744 |
1 |
| Kanto Yakin Kogyo Co., Ltd. | 20 |
1 |
| Kobe Steel, Ltd. | 878 |
1 |
| Other owners | 18 |