Natural circulation multi-circulation package boiler with superheat for steam assisted gravity drainage (SAGD) process including superheat
US-11415314-B2 · Aug 16, 2022 · US
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in water-tube boilers, e.g. between banks of water tubes
in water-tube boilers, e.g. between banks of water tubes · 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 | F22G7/14 |
| Official title | in water-tube boilers, e.g. between banks of water tubes |
| Display label | in water-tube boilers, e.g. between banks of water tubes |
| Total patents | 15 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heat recovery surfaces arrangement in a recovery boiler
US-11105499-B2 · Aug 31, 2021 · US
Boiler and modifying method thereof
US-11015801-B2 · May 25, 2021 · US
Natural circulation multi-circulation package boiler with superheat for steam assisted gravity drainage (sagd) process including superheat
US-2020400305-A1 · Dec 24, 2020 · US
Arrangement of heat recovery surfaces of a recovery boiler
US-10502410-B2 · Dec 10, 2019 · US
Chemical recovery boiler
US-10260744-B2 · Apr 16, 2019 · US
Transition casting for boiler with steam cooled upper furnace
US-10234169-B2 · Mar 19, 2019 · US
Arrangement of heat recovery surfaces of a recovery boiler
US-2019078773-A1 · Mar 14, 2019 · US
Boiler and modifying method thereof
US-2018328583-A1 · Nov 15, 2018 · US
Heat recovery surfaces arrangement in a recovery boiler
US-2018313531-A1 · Nov 1, 2018 · US
Chemical recovery boiler
US-2018180284-A1 · Jun 28, 2018 · US
High temperature sub-critical boiler with steam cooled upper furnace and start-up methods
US-9920924-B2 · Mar 20, 2018 · US
Transition casting for boiler with steam cooled upper furnace
US-2017284700-A1 · Oct 5, 2017 · US
High temperature sub-critical boiler with steam cooled upper furnace and start-up methods
US-2017284658-A1 · Oct 5, 2017 · US
Steam boiler comprising a radiation element
US-2015122201-A1 · May 7, 2015 · US