- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27D - Details or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace
- F27D 3/12 - Travelling or movable supports or containers for the charge
Patent holdings for IPC class F27D 3/12
Total number of patents in this class: 283
10-year publication summary
|
22
|
19
|
18
|
14
|
18
|
27
|
22
|
15
|
17
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 4982 |
18 |
| Mitsui Mining & Smelting Co., Ltd. | 1497 |
16 |
| NGK Adrec Co., Ltd. | 26 |
12 |
| Murata Manufacturing Co., Ltd. | 24650 |
7 |
| ASM IP Holding B.V. | 2097 |
6 |
| Paul Wurth S.A. | 418 |
6 |
| Safran Aircraft Engines | 6302 |
6 |
| Tokyo Electron Limited | 12825 |
5 |
| Denka Company Limited | 2596 |
5 |
| TDK Corporation | 6791 |
4 |
| Koyo Thermo Systems Co., Ltd. | 22 |
4 |
| Ibiden Co., Ltd. | 1715 |
4 |
| Molten Metal Equipment Innovations, LLC | 99 |
4 |
| Toyo Tanso Co., Ltd. | 220 |
4 |
| Alliance | 15 |
4 |
| Ebner Industrieofenbau GmbH | 141 |
3 |
| LPE S.p.A. | 74 |
3 |
| Metso USA, Inc. | 108 |
3 |
| Outotec (Finland) Oy | 480 |
3 |
| Primetals Technologies Germany GmbH | 203 |
3 |
| Other owners | 163 |