- 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 11/00 - Arrangements of valves or dampers after the fire
Patent holdings for IPC class F23L 11/00
Total number of patents in this class: 42
10-year publication summary
|
4
|
4
|
3
|
4
|
0
|
1
|
3
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Field Controls, LLC | 74 |
10 |
| Geesco Co., Ltd. | 19 |
2 |
| Invensys Controls Australia Pty Ltd. | 5 |
2 |
| Kyungdong Navien Co., Ltd. | 646 |
2 |
| Skoberne GmbH | 8 |
2 |
| LG Electronics Inc. | 75910 |
1 |
| Shell Internationale Research Maatschappij B.V. | 3391 |
1 |
| Arcelik A.S. | 3366 |
1 |
| BSH Hausgeräte GmbH | 5659 |
1 |
| BSH Home Appliances Corporation | 696 |
1 |
| Eisenmann Anlagenbau GmbH & Co. KG | 16 |
1 |
| Electric Power Development Co., Ltd. | 68 |
1 |
| Equinix, Inc. | 297 |
1 |
| Global Power Netherlands B.V. | 2 |
1 |
| Ipex Technologies Inc. | 119 |
1 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4122 |
1 |
| Miles Industries Ltd. | 34 |
1 |
| Rheem Manufacturing Company | 1026 |
1 |
| Rinnai Corporation | 287 |
1 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3277 |
1 |
| Other owners | 9 |