- 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: 34
10-year publication summary
|
2
|
1
|
2
|
6
|
4
|
1
|
1
|
3
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pyrotek, Inc. | 193 |
5 |
| Systems Spray Cooled, Inc. | 48 |
4 |
| Refractory Intellectual Property GmbH & Co. KG | 526 |
3 |
| Saint-Gobain Isover | 631 |
3 |
| Hyundai Steel Company | 358 |
2 |
| Sumitomo Metal Mining Co., Ltd. | 1737 |
2 |
| Siemens AG | 24563 |
1 |
| Blasch Precision Ceramics, Inc. | 36 |
1 |
| Hatch Ltd. | 215 |
1 |
| Kobe Steel, Ltd. | 865 |
1 |
| Materion Corporation | 303 |
1 |
| Outotec Oyj | 298 |
1 |
| Primetals Technologies Germany GmbH | 196 |
1 |
| SMS Demag AG | 129 |
1 |
| SMS Group GmbH | 1081 |
1 |
| Tounetsu Co., Ltd. | 27 |
1 |
| Vesuvius Crucible Company | 44 |
1 |
| Zakrytoye Aktsionernoye Obschestvo "pikkerama" | 2 |
1 |
| Advanced Intellectual Holdings Pty Ltd | 3 |
1 |
| Tenova South Africa (Pty) Ltd | 6 |
1 |
| Other owners | 1 |