- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 5/00 - Muffle furnacesRetort furnacesOther furnaces in which the charge is held completely isolated
Patent holdings for IPC class F27B 5/00
Total number of patents in this class: 28
10-year publication summary
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0
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1
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0
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1
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3
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2
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4
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2
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 17887 |
3 |
| Corning Incorporated | 10143 |
2 |
| Tata Steel Limited | 191 |
2 |
| Technological Resources Pty. Limited | 445 |
2 |
| Rtx Corporation | 9146 |
2 |
| Toyota Motor Corporation | 30525 |
1 |
| Robert Bosch GmbH | 41906 |
1 |
| Uop LLC | 4194 |
1 |
| Kaneka Corporation | 4495 |
1 |
| ALD Vacuum Technologies GmbH | 141 |
1 |
| Alite GmbH | 18 |
1 |
| Bharat Heavy Electricals Ltd. | 7 |
1 |
| C6 Technologies Inc. | 3 |
1 |
| De Luca Oven Technologies, LLC | 26 |
1 |
| Dowa Thermotech Co., Ltd. | 41 |
1 |
| Heraeus Precious Metals GmbH & Co. KG | 62 |
1 |
| John Bean Technologies Corporation | 376 |
1 |
| W.C. Heraeus GmbH | 33 |
1 |
| Kokusai Electric Corporation | 1914 |
1 |
| Denken-highdental Co., Ltd. | 6 |
1 |
| Other owners | 2 |