- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 3/16 - WallsRoofs
Patent holdings for IPC class F27B 3/16
Total number of patents in this class: 38
10-year publication summary
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1
|
2
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4
|
3
|
1
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1
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2
|
1
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5
|
1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pyrotek, Inc. | 207 |
5 |
| Systems Spray Cooled, Inc. | 27 |
4 |
| Refractory Intellectual Property GmbH & Co. KG | 556 |
3 |
| Saint-Gobain Isover | 663 |
3 |
| Systems Spray-Cooled, LLC | 30 |
3 |
| Hyundai Steel Company | 483 |
2 |
| Nippon Electric Glass Co., Ltd. | 2514 |
2 |
| Sumitomo Metal Mining Co., Ltd. | 1925 |
2 |
| Siemens AG | 24250 |
1 |
| Blasch Precision Ceramics, Inc. | 40 |
1 |
| Hatch Ltd. | 218 |
1 |
| Kobe Steel, Ltd. | 890 |
1 |
| Materion Corporation | 316 |
1 |
| Nippon Steel Corporation | 6666 |
1 |
| Primetals Technologies Germany GmbH | 214 |
1 |
| SMS Demag AG | 61 |
1 |
| SMS Group GmbH | 1162 |
1 |
| Tounetsu Co., Ltd. | 31 |
1 |
| Vesuvius Crucible Company | 35 |
1 |
| Zakrytoye Aktsionernoye Obschestvo "pikkerama" | 2 |
1 |
| Other owners | 2 |