- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F23Q - Ignition; extinguishing devices
- F23Q 3/00 - Ignition using electrically-produced sparks
Patent holdings for IPC class F23Q 3/00
Total number of patents in this class: 292
10-year publication summary
|
26
|
24
|
21
|
24
|
19
|
31
|
19
|
19
|
21
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ClearSign Combustion Corporation | 120 |
9 |
| Ludela Technologies LLC | 10 |
7 |
| Channel Products, Inc. | 36 |
6 |
| Chentronics, LLC | 6 |
6 |
| Siemens AG | 24990 |
5 |
| BorgWarner Ludwigsburg GmbH | 109 |
5 |
| ITW Industrial Components S.R.L. Con Unico Socio | 16 |
5 |
| Beyrodts Best LLC | 6 |
5 |
| ITW INDUSTRIAL COMPONENTS S.r.l. con Unico Socio | 19 |
5 |
| Illinois Tool Works Inc. | 11152 |
4 |
| BSH Hausgeräte GmbH | 5384 |
4 |
| John Zink Company, LLC | 144 |
4 |
| Samyoung Machinery Co., Ltd. | 21 |
4 |
| Ademco Inc. | 1374 |
4 |
| Pratt & Whitney Canada Corp. | 4215 |
3 |
| Hubbell Incorporated | 3052 |
3 |
| CoorsTek, Inc. | 96 |
3 |
| Electrolux Appliances Aktiebolag | 1216 |
3 |
| General Electric Technology GmbH | 1657 |
3 |
| Wolf Steel Ltd. | 19 |
3 |
| Other owners | 201 |