- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 9/02 - Furnaces through which the charge is moved mechanically, e.g. of tunnel type Similar furnaces in which the charge moves by gravity of multiple-track typeFurnaces through which the charge is moved mechanically, e.g. of tunnel type Similar furnaces in which the charge moves by gravity of multiple-chamber typeCombinations of furnaces
Patent holdings for IPC class F27B 9/02
Total number of patents in this class: 255
10-year publication summary
|
11
|
13
|
9
|
9
|
15
|
17
|
17
|
24
|
25
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Illinois Tool Works Inc. | 11624 |
11 |
| NGK Insulators, Ltd. | 5182 |
8 |
| IHI Corporation | 3485 |
8 |
| Ebner Industrieofenbau GmbH | 142 |
7 |
| IHI Machinery and Furnace Co., Ltd. | 79 |
6 |
| Schwartz GmbH | 58 |
6 |
| NGK Kilntech, Corporation | 28 |
6 |
| Quantumscape Battery, Inc. | 207 |
6 |
| Cefla Societa' Cooperativa | 87 |
5 |
| Corning Incorporated | 10349 |
4 |
| Danieli & C. Officine Meccaniche S.p.A. | 715 |
4 |
| Magna International Inc. | 1219 |
4 |
| Research Institute of Industrial Science & Technology | 512 |
4 |
| SMS Group GmbH | 1147 |
4 |
| University of Maryland, College Park | 1040 |
4 |
| Siti B&t Group S.p.A. | 78 |
4 |
| Aerospace Transmission Technologies GmbH | 13 |
4 |
| ONEJOON GmbH | 29 |
4 |
| Automation Tech, LLC | 33 |
4 |
| Koyo Thermo Systems Co., Ltd. | 21 |
3 |
| Other owners | 149 |