- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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 3/14 - Charging or discharging liquid or molten material
Patent holdings for IPC class F27D 3/14
Total number of patents in this class: 266
10-year publication summary
|
29
|
36
|
24
|
20
|
17
|
20
|
18
|
20
|
11
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Molten Metal Equipment Innovations, LLC | 96 |
49 |
| Krosakiharima Corporation | 259 |
14 |
| Pyrotek, Inc. | 193 |
13 |
| Novelis Inc. | 656 |
12 |
| Nippon Electric Glass Co., Ltd. | 2299 |
8 |
| ATI Properties LLC | 202 |
7 |
| Metso Metals Oy | 205 |
6 |
| Boildec Oy | 6 |
5 |
| Nippon Steel Corporation | 5649 |
5 |
| ArcelorMittal | 1887 |
4 |
| Korea Hydro & Nuclear Power Co., Ltd. | 383 |
4 |
| POSCO | 2222 |
4 |
| StrikoWestofen GmbH | 28 |
4 |
| Crucible Intellectual Property, LLC | 93 |
3 |
| General Kinematics Corporation | 144 |
3 |
| Hydro Aluminium Rolled Products GmbH | 118 |
3 |
| Molyworks Materials Corp. | 26 |
3 |
| Outotec (Finland) Oy | 491 |
3 |
| Zmag, Ltd. | 15 |
3 |
| Andritz Oy | 276 |
2 |
| Other owners | 111 |