Combustion systems with ease of serviceability
US-11846449-B2 · Dec 19, 2023 · US
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Viewing ports of windows
Viewing ports of windows · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F23M11/042 |
| Official title | {Viewing ports of windows} |
| Display label | Viewing ports of windows |
| Total patents | 16 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 4 |
| 2021 | 1 |
| 2023 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fresh air intake for low NOx emission furnace
US-11808449-B2 · Nov 7, 2023 · US
Combustion systems with ease of serviceability
US-2021341176-A1 · Nov 4, 2021 · US
FRESH AIR INTAKE FOR LOW NOx EMISSION FURNACE
US-2020340668-A1 · Oct 29, 2020 · US
Combustion Apparatus
US-2020271315-A1 · Aug 27, 2020 · US
Combustion apparatus
US-10746397-B1 · Aug 18, 2020 · US
Fresh air intake for low NOx emission furnace
US-10711998-B2 · Jul 14, 2020 · US
FRESH AIR INTAKE FOR LOW NOx EMISSION FURNACE
US-2019101283-A1 · Apr 4, 2019 · US
Coal rope distributor with replaceable wear components
US-9857077-B2 · Jan 2, 2018 · US
Arrangement in a thermal process, and a method for measuring the thickness of a contamination layer
US-9739547-B2 · Aug 22, 2017 · US
Coal rope distributor with replaceable wear components
US-2017023243-A9 · Jan 26, 2017 · US
An Arrangement in a Thermal Process, and a Method for Measuring the Thickness of a Contamination Layer
US-2016245599-A2 · Aug 25, 2016 · US
An Arrangement in a Thermal Process, and a Method for Measuring the Thickness of a Contamination Layer
US-2015369549-A1 · Dec 24, 2015 · US
Coal rope distributor with replaceable wear components
US-2015362181-A1 · Dec 17, 2015 · US
Coal rope distributor with replaceable wear components
US-9151493-B2 · Oct 6, 2015 · US
Windowpane for combustion apparatuses
US-9005764-B2 · Apr 14, 2015 · US