- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F23N - Regulating or controlling combustion
- F23N 5/08 - Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using light-sensitive elements
Patent holdings for IPC class F23N 5/08
Total number of patents in this class: 211
10-year publication summary
|
17
|
21
|
12
|
18
|
13
|
13
|
9
|
11
|
20
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BDR Thermea Group B.V. | 83 |
12 |
| OnPoint Technologies, LLC | 56 |
12 |
| Honeywell International Inc. | 13799 |
11 |
| Schlumberger Technology Corporation | 9690 |
7 |
| Siemens AG | 24990 |
6 |
| Alstom Technology Ltd | 1196 |
6 |
| Azbil Corporation | 486 |
6 |
| General Electric Technology GmbH | 1657 |
6 |
| Schlumberger Canada Limited | 6913 |
5 |
| Universal City Studios LLC | 2218 |
5 |
| General Electric Company | 18133 |
4 |
| Schlumberger Technology B.v. | 4951 |
4 |
| Carrier Corporation | 4759 |
4 |
| ABB Research Ltd. | 953 |
4 |
| Services Petroliers Schlumberger | 5426 |
4 |
| GE Infrastructure Technology, LLC | 5873 |
4 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
3 |
| Tenova S.p.A. | 150 |
3 |
| Baker Hughes Holdings LLC | 3060 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
2 |
| Other owners | 100 |