- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F23Q - Ignition; extinguishing devices
- F23Q 7/00 - Incandescent ignition; Ignition using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs
Patent holdings for IPC class F23Q 7/00
Total number of patents in this class: 383
10-year publication summary
|
31
|
23
|
15
|
18
|
14
|
9
|
5
|
7
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 41717 |
72 |
| Kyocera Corporation | 13327 |
59 |
| NGK Spark Plug Co., Ltd. | 901 |
42 |
| Bosch Corporation | 393 |
24 |
| BorgWarner Ludwigsburg GmbH | 105 |
12 |
| Pratt & Whitney Canada Corp. | 4434 |
11 |
| BorgWarner BERU Systems GmbH | 47 |
9 |
| BERU AG | 25 |
6 |
| Chongqing Le-mark Technology Co., Ltd. | 30 |
6 |
| Continental Automotive France | 771 |
5 |
| Saint-Gobain Ceramics & Plastics, Inc. | 837 |
5 |
| Northrop Grumman Systems Corporation | 2921 |
4 |
| CoorsTek, Inc. | 91 |
4 |
| Federal-Mogul Ignition Company | 94 |
4 |
| Federal-Mogul Italy SRL | 7 |
4 |
| Surface Igniter LLC | 13 |
4 |
| Sieva d.o.o., PE Spodnja Idrija | 6 |
4 |
| SCP R&D LLC | 13 |
4 |
| Casco Products Corporation | 21 |
3 |
| Hidria AET druzba za Proizvodnjo Vzignih Sistemov in Elektronike d.o.o. | 11 |
3 |
| Other owners | 98 |