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  • F - Mechanical engineeringlightingheatingweaponsblasting
  • F23M - Casings, linings, walls or doors specially adapted for combustion chambers, e.g. firebridgesdevices for deflecting air, flames or combustion products in combustion chamberssafety arrangements specially adapted for combustion apparatusdetails of combustion chambers, not otherwise provided for
  • F23M 20/00 - Details of combustion chambers, not otherwise provided for

Patent holdings for IPC class F23M 20/00

Total number of patents in this class: 116

10-year publication summary

18
7
15
10
6
8
7
2
2
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Ansaldo Energia Switzerland AG
270
19
Siemens AG
24132
10
Siemens Energy Global GmbH & Co. KG
3287
7
General Electric Company
13822
6
GE Infrastructure Technology, LLC
6181
6
Mitsubishi Power, Ltd.
1823
6
Mitsubishi Heavy Industries, Ltd.
9041
4
Lennox Industries Inc.
1087
4
Pratt & Whitney Canada Corp.
5356
3
Carrier Corporation
3956
3
Praxair Technology, Inc.
1234
3
3m Innovative Properties Company
17491
2
Brunswick Corporation
1459
2
Ensyn Renewables, Inc.
73
2
Munster Simms Engineering Limited
49
2
Rheem Manufacturing Company
998
2
Rinnai Corporation
281
2
Rohr, Inc.
774
2
Universidad Tecnica Federico Santa Maria
128
2
Eberspächer Climate Control Systems GmbH
152
2
Other owners 27

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