- 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 13/00 - Construction of valves or dampers for controlling air supply or draught
Patent holdings for IPC class F23L 13/00
Total number of patents in this class: 41
10-year publication summary
|
2
|
8
|
5
|
0
|
9
|
4
|
3
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Andritz Inc. | 333 |
3 |
| Marathon Petroleum Company LP | 365 |
3 |
| American Air Liquide, Inc. | 250 |
2 |
| Field Controls, LLC | 76 |
2 |
| Miles Industries Ltd. | 36 |
2 |
| SunCoke Technology and Development LLC | 237 |
2 |
| Halliburton Energy Services, Inc. | 20871 |
1 |
| Uop LLC | 4244 |
1 |
| Kawasaki Heavy Industries, Limited | 1629 |
1 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4943 |
1 |
| BDR Thermea Group B.V. | 141 |
1 |
| Belshaw Bros., Inc. | 13 |
1 |
| Earth Systems Consulting Pty Ltd | 4 |
1 |
| Eisenmann Anlagenbau GmbH & Co. KG | 30 |
1 |
| Equinix, Inc. | 303 |
1 |
| Fabricant de Poêles International Inc. | 26 |
1 |
| Invensys Controls Australia Pty Ltd. | 5 |
1 |
| Ipex Technologies Inc. | 98 |
1 |
| Kyundong Navien Co., Ltd. | 1 |
1 |
| Kyungdong Navien Co., Ltd. | 615 |
1 |
| Other owners | 13 |