- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F27B - Furnaces, kilns, ovens, or retorts in general; open sintering or like apparatus
- F27B 9/20 - Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path
Patent holdings for IPC class F27B 9/20
Total number of patents in this class: 102
10-year publication summary
10
|
11
|
4
|
9
|
4
|
7
|
5
|
17
|
6
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
IHI Corporation | 3268 |
7 |
Illinois Tool Works Inc. | 11152 |
5 |
Fives Stein | 96 |
5 |
Cerco LLC | 4 |
3 |
Murata Manufacturing Co., Ltd. | 22355 |
2 |
Air Products and Chemicals, Inc. | 1448 |
2 |
Chugai Ro Co., Ltd. | 124 |
2 |
IHI Machinery and Furnace Co., Ltd. | 79 |
2 |
Inductoheat, Inc. | 48 |
2 |
Sacmi Cooperativa Meccanici Imola Societa' Cooperativa | 529 |
2 |
SMS Group GmbH | 1029 |
2 |
Tubos de Acero de Mexico, S.A. | 8 |
2 |
University of Maryland, College Park | 894 |
2 |
SMS Group S.p.A. | 27 |
2 |
N. Bättenhausen Industrielle Wärme-und Elektrotechnik GmbH | 2 |
2 |
Ghi Hornos Industriales S.L. | 6 |
2 |
Linde GmbH | 1122 |
2 |
Suzhou Zhongmenzi Industrial Furnace Technology Co., Ltd. | 19 |
2 |
Quantumscape Battery, Inc. | 168 |
2 |
NGK Insulators, Ltd. | 4589 |
1 |
Other owners | 51 |