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  • 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 5/02 - Arrangements of fans or blowers

Patent holdings for IPC class F23L 5/02

Total number of patents in this class: 119

10-year publication summary

6
20
16
13
11
8
18
4
2
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Rinnai Corporation
271
10
Noritz Corporation
286
6
Regal Beloit America, Inc.
857
6
BDR Thermea Group B.V.
174
5
Biochar Now, LLC
22
5
Brunswick Corporation
1433
4
SIT S.p.A.
101
4
Intergas Heating Assets B.V.
34
3
Truma Gerätetechnik GmbH & Co. KG
285
3
Carrier Corporation
3980
2
Camus Hydronics Limited
26
2
ebm-papst Landshut GmbH
88
2
Expro Americas, LLC
49
2
Haier US Appliance Solutions, Inc.
3931
2
Lennox Industries Inc.
1104
2
Nippon Oil Pump Co., Ltd.
29
2
Onward Multi-Corp Inc.
61
2
Tsukishima Kikai Co., Ltd.
113
2
Nordgas S.r.l.
5
2
Pellasx Spółka z.o.o Spółka komandytowa
4
2
Other owners 51

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