- 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: 37
10-year publication summary
|
2
|
1
|
2
|
6
|
4
|
1
|
1
|
3
|
1
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Systems Spray Cooled, Inc. | 50 |
6 |
| Pyrotek, Inc. | 202 |
5 |
| Refractory Intellectual Property GmbH & Co. KG | 541 |
3 |
| Saint-Gobain Isover | 633 |
3 |
| Hyundai Steel Company | 426 |
2 |
| Nippon Electric Glass Co., Ltd. | 2454 |
2 |
| Sumitomo Metal Mining Co., Ltd. | 1774 |
2 |
| Siemens AG | 24520 |
1 |
| Blasch Precision Ceramics, Inc. | 40 |
1 |
| Hatch Ltd. | 213 |
1 |
| Kobe Steel, Ltd. | 871 |
1 |
| Materion Corporation | 309 |
1 |
| Primetals Technologies Germany GmbH | 203 |
1 |
| SMS Demag AG | 107 |
1 |
| SMS Group GmbH | 1118 |
1 |
| Tounetsu Co., Ltd. | 28 |
1 |
| Vesuvius Crucible Company | 41 |
1 |
| Zakrytoye Aktsionernoye Obschestvo "pikkerama" | 2 |
1 |
| Advanced Intellectual Holdings Pty Ltd | 3 |
1 |
| Tenova South Africa (Pty) Ltd | 6 |
1 |
| Other owners | 1 |