- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 9/39 - Arrangement of devices for discharging
Patent holdings for IPC class F27B 9/39
Total number of patents in this class: 37
10-year publication summary
|
2
|
1
|
3
|
2
|
1
|
1
|
2
|
4
|
4
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 5216 |
6 |
| NGK Kilntech, Corporation | 28 |
5 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2833 |
3 |
| Noritake Co., Limited | 272 |
3 |
| Toshiba Corporation | 12700 |
1 |
| BBC Co., Ltd. | 17 |
1 |
| Chugai Ro Co., Ltd. | 128 |
1 |
| Danieli & C. Officine Meccaniche S.p.A. | 714 |
1 |
| Danieli Centro Combustion S.p.A. | 12 |
1 |
| Decoral System USA Corp. | 6 |
1 |
| Hans Lingl Anlagenbau und Verfahrenstechnik GmbH & Co. KG | 12 |
1 |
| IMP Group (Pty) Ltd | 7 |
1 |
| Kookmin University Industry Academy Cooperation Foundation | 425 |
1 |
| Magna International Inc. | 1199 |
1 |
| Otto Junker GmbH | 26 |
1 |
| Saipem S.p.A. | 524 |
1 |
| SCHWARTZ, EVA | 7 |
1 |
| Tata Steel UK Limited | 166 |
1 |
| Toyoda Iron Works Co., Ltd. | 296 |
1 |
| N. Bättenhausen Industrielle Wärme-und Elektrotechnik GmbH | 2 |
1 |
| Other owners | 4 |