- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 9/38 - Arrangement of devices for charging
Patent holdings for IPC class F27B 9/38
Total number of patents in this class: 68
10-year publication summary
|
3
|
4
|
2
|
6
|
4
|
6
|
2
|
4
|
4
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 4973 |
3 |
| Kobe Steel, Ltd. | 878 |
3 |
| POSCO | 2184 |
3 |
| Chugai Ro Co., Ltd. | 130 |
2 |
| Danieli & C. Officine Meccaniche S.p.A. | 718 |
2 |
| Danieli Centro Combustion S.p.A. | 11 |
2 |
| Gautschi Engineering GmbH | 12 |
2 |
| Hans Lingl Anlagenbau und Verfahrenstechnik GmbH & Co. KG | 12 |
2 |
| Otto Junker GmbH | 27 |
2 |
| Research Institute of Industrial Science & Technology | 502 |
2 |
| SST Systems, Inc. | 60 |
2 |
| POSCO Chemical Co., Ltd | 65 |
2 |
| NGK Kilntech, Corporation | 24 |
2 |
| ONEJOON GmbH | 27 |
2 |
| Toshiba Corporation | 12376 |
1 |
| Semiconductor Energy Laboratory Co., Ltd. | 11448 |
1 |
| Mitsubishi Chemical Corporation | 4526 |
1 |
| Air Products and Chemicals, Inc. | 1443 |
1 |
| Aston Martin Lagonda Limited | 368 |
1 |
| Ceritherm | 5 |
1 |
| Other owners | 31 |