- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- 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: 215
10-year publication summary
|
12
|
18
|
13
|
13
|
9
|
11
|
21
|
8
|
4
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honeywell International Inc. | 12778 |
12 |
| BDR Thermea Group B.V. | 181 |
12 |
| Schlumberger Technology Corporation | 11818 |
7 |
| Siemens AG | 24029 |
6 |
| Azbil Corporation | 473 |
6 |
| OnPoint Technologies, LLC | 35 |
6 |
| General Electric Company | 13899 |
5 |
| Schlumberger Canada Limited | 7606 |
5 |
| Alstom Technology Ltd | 1045 |
5 |
| Carrier Corporation | 3955 |
5 |
| Universal City Studios LLC | 2855 |
5 |
| Schlumberger Technology B.v. | 5298 |
4 |
| ABB Research Ltd. | 796 |
4 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4117 |
4 |
| Services Petroliers Schlumberger | 6024 |
4 |
| GE Infrastructure Technology, LLC | 6171 |
4 |
| General Electric Technology GmbH | 1337 |
3 |
| Tenova S.p.A. | 158 |
3 |
| Baker Hughes Holdings LLC | 3023 |
3 |
| Rtx Corporation | 10102 |
3 |
| Other owners | 109 |