- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F23N - Regulating or controlling combustion
- F23N 5/20 - Systems for controlling combustion with a time programme acting through electrical means, e.g. using time-delay relays
Patent holdings for IPC class F23N 5/20
Total number of patents in this class: 159
10-year publication summary
13
|
11
|
10
|
19
|
21
|
8
|
9
|
11
|
11
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Eltek S.p.A. | 200 |
11 |
Ademco Inc. | 1374 |
7 |
Lennox Industries Inc. | 1088 |
6 |
SIT S.p.A. | 105 |
5 |
Midea Group Co., Ltd. | 4025 |
4 |
Electrolux Appliances Aktiebolag | 1216 |
3 |
Haier US Appliance Solutions, Inc. | 3178 |
3 |
Intergas Heating Assets B.V. | 41 |
3 |
Rinnai Corporation | 204 |
3 |
Webasto AG | 417 |
3 |
Webasto SE | 1025 |
3 |
Copreci, S.Coop. | 16 |
3 |
Copeland Comfort Control LP | 271 |
3 |
Robert Bosch GmbH | 40953 |
2 |
Rockwell Automation Technologies, Inc. | 2547 |
2 |
Carrier Corporation | 4759 |
2 |
Azbil Corporation | 486 |
2 |
Channel Products, Inc. | 36 |
2 |
Chentronics, LLC | 6 |
2 |
Finno Energy Oy | 15 |
2 |
Other owners | 88 |