- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23L - Supplying air or non-combustible liquids or gases to combustion apparatus in generalvalves or dampers specially adapted for controlling air supply or draught in combustion apparatusinducing draught in combustion apparatustops for chimneys or ventilating shaftsterminals for flues
- F23L 7/00 - Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
Patent holdings for IPC class F23L 7/00
Total number of patents in this class: 828
10-year publication summary
|
77
|
53
|
54
|
51
|
41
|
35
|
38
|
41
|
52
|
27
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3937 |
52 |
| 8 Rivers Capital, LLC | 252 |
41 |
| Praxair Technology, Inc. | 1311 |
36 |
| Air Products and Chemicals, Inc. | 1404 |
35 |
| IHI Corporation | 3413 |
30 |
| Alstom Technology Ltd | 1111 |
22 |
| Siemens AG | 24547 |
20 |
| General Electric Technology GmbH | 1459 |
18 |
| GE Infrastructure Technology, LLC | 6196 |
15 |
| ITEA S.p.A. | 26 |
12 |
| Messer Industries USA, Inc. | 118 |
12 |
| Mitsubishi Power, Ltd. | 1758 |
12 |
| Linde Aktiengesellschaft | 1518 |
11 |
| General Electric Company | 13830 |
10 |
| Palmer Labs, LLC | 30 |
10 |
| Saudi Arabian Oil Company | 12891 |
10 |
| Taiyo Nippon Sanso Corporation | 365 |
9 |
| ClearSign Technologies Corporation | 52 |
9 |
| Siemens Energy Global GmbH & Co. KG | 2923 |
9 |
| Babcock-Hitachi Kabushiki Kaisha | 103 |
8 |
| Other owners | 447 |