- 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: 212
10-year publication summary
|
15
|
12
|
9
|
10
|
13
|
13
|
12
|
10
|
22
|
17
|
| 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 | 39 |
7 |
| IHI Corporation | 3449 |
6 |
| IHI Machinery and Furnace Co., Ltd. | 79 |
6 |
| SABIC Global Technologies B.V. | 4361 |
6 |
| PLANSEE SE | 232 |
5 |
| Screen Holdings Co., Ltd. | 2856 |
5 |
| Agc, Inc. | 4913 |
5 |
| Tokyo Electron Limited | 12877 |
4 |
| Lam Research Corporation | 5309 |
4 |
| Ivoclar Vivadent AG | 1052 |
4 |
| University of Maryland, College Park | 1024 |
4 |
| Kyushu Nissho Co., Ltd. | 8 |
4 |
| Applied Materials, Inc. | 18861 |
3 |
| NGK Insulators, Ltd. | 5016 |
3 |
| LAM Research AG | 191 |
3 |
| Dowa Thermotech Co., Ltd. | 47 |
3 |
| Molten Metal Equipment Innovations, LLC | 99 |
3 |
| Tounetsu Co., Ltd. | 28 |
3 |
| Illinois Tool Works Inc. | 11494 |
2 |
| Koyo Thermo Systems Co., Ltd. | 22 |
2 |
| Other owners | 130 |