- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23Q - Ignitionextinguishing devices
- F23Q 7/22 - Incandescent ignitionIgnition using electrically-produced heat, e.g. lighters for cigarettesElectrically-heated glowing plugs Details
Patent holdings for IPC class F23Q 7/22
Total number of patents in this class: 99
10-year publication summary
|
4
|
7
|
4
|
11
|
13
|
3
|
1
|
7
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Corporation | 13706 |
17 |
| Pratt & Whitney Canada Corp. | 4629 |
9 |
| CoorsTek, Inc. | 84 |
6 |
| Federal-Mogul Ignition Company | 94 |
4 |
| NGK Spark Plug Co., Ltd. | 895 |
3 |
| BorgWarner BERU Systems GmbH | 47 |
3 |
| Haier US Appliance Solutions, Inc. | 3568 |
3 |
| Saint-Gobain Ceramics & Plastics, Inc. | 841 |
3 |
| Chongqing Le-mark Technology Co., Ltd. | 32 |
3 |
| Robert Bosch GmbH | 42505 |
2 |
| Bloom Energy Corporation | 655 |
2 |
| BorgWarner Ludwigsburg GmbH | 104 |
2 |
| Channel Products, Inc. | 37 |
2 |
| IHI Corporation | 3413 |
2 |
| Eberspächer Climate Control Systems GmbH | 138 |
2 |
| Panasonic Corporation | 20166 |
1 |
| Denso Corporation | 24146 |
1 |
| NGK Insulators, Ltd. | 4929 |
1 |
| Delta Electronics, Inc. | 2589 |
1 |
| Alexza Pharmaceuticals, Inc. | 63 |
1 |
| Other owners | 31 |