- 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 13/06 - Construction of valves or dampers for controlling air supply or draught slidable only
Patent holdings for IPC class F23L 13/06
Total number of patents in this class: 26
10-year publication summary
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0
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2
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0
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2
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0
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2
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3
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3
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Andritz Oy | 295 |
2 |
| John Zink Company, LLC | 132 |
2 |
| ThyssenKrupp Industrial Solutions AG | 630 |
2 |
| IVR Group Pty Ltd | 2 |
2 |
| Siemens AG | 24020 |
1 |
| Doosan Power Systems Limited | 19 |
1 |
| Field Controls, LLC | 74 |
1 |
| Kyungdong Navien Co., Ltd. | 642 |
1 |
| Leggett of Edgecombe County, LLC | 1 |
1 |
| Mertik Maxitrol GmbH & Co. KG | 18 |
1 |
| Messer Austria GmbH | 25 |
1 |
| Rinnai Corporation | 284 |
1 |
| ThyssenKrupp AG | 3399 |
1 |
| Hwam A/S | 3 |
1 |
| Aduro A/S | 16 |
1 |
| Birwelco USA Inc. | 4 |
1 |
| LN 2 S.r.l. a Socio Unico | 10 |
1 |
| Messer Hungarogaz Kft. | 5 |
1 |
| Proto Energy (Pty) Ltd | 1 |
1 |
| Maxitrol GmbH & Co. KG | 29 |
1 |
| Other owners | 2 |