- 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 11/02 - Ohmic resistance heating
Patent holdings for IPC class F27D 11/02
Total number of patents in this class: 208
10-year publication summary
|
16
|
12
|
9
|
11
|
13
|
14
|
13
|
10
|
22
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| E.t.i.a. Evaluation Technologique, Ingenierie et Applications | 40 |
7 |
| IHI Corporation | 3413 |
7 |
| IHI Machinery and Furnace Co., Ltd. | 78 |
6 |
| PLANSEE SE | 233 |
5 |
| SABIC Global Technologies B.V. | 4302 |
5 |
| Screen Holdings Co., Ltd. | 2782 |
5 |
| Agc, Inc. | 4760 |
5 |
| Tokyo Electron Limited | 12571 |
4 |
| Lam Research Corporation | 5207 |
4 |
| Ivoclar Vivadent AG | 1049 |
4 |
| Kyushu Nissho Co., Ltd. | 8 |
4 |
| Applied Materials, Inc. | 18433 |
3 |
| NGK Insulators, Ltd. | 4929 |
3 |
| LAM Research AG | 190 |
3 |
| Dowa Thermotech Co., Ltd. | 44 |
3 |
| Molten Metal Equipment Innovations, LLC | 98 |
3 |
| Tounetsu Co., Ltd. | 28 |
3 |
| University of Maryland, College Park | 1007 |
3 |
| Illinois Tool Works Inc. | 11409 |
2 |
| Koyo Thermo Systems Co., Ltd. | 23 |
2 |
| Other owners | 127 |