Methods and devices for controlling steam introduction in a kiln
US-2025320996-A1 · Oct 16, 2025 · US
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Supply mains, e.g. rising mains, down-comers, in connection with water tubes
Supply mains, e.g. rising mains, down-comers, in connection with 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 | F22B37/14 |
| Official title | Supply mains, e.g. rising mains, down-comers, in connection with water tubes |
| Display label | Supply mains, e.g. rising mains, down-comers, in connection with water tubes |
| Total patents | 16 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 1 |
| 2024 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gas-fired steam boiler with gap structure
US-12117208-B2 · Oct 15, 2024 · US
Once-through heat exchanger and heat recovery steam generator including the same
US-12104860-B2 · Oct 1, 2024 · US
Gas-fired steam boiler with gap structure
US-2024183579-A1 · Jun 6, 2024 · US
Once-through heat exchanger and heat recovery steam generator including the same
US-2024159470-A1 · May 16, 2024 · US
Oxidative coupling of methane for olefin production
US-11505514-B2 · Nov 22, 2022 · US
Oxidative coupling of methane for olefin production
US-2021094892-A1 · Apr 1, 2021 · US
Oxidative coupling of methane for olefin production
US-10870611-B2 · Dec 22, 2020 · US
Oxidative coupling of methane for olefin production
US-2020189994-A1 · Jun 18, 2020 · US
High temperature sub-critical boiler with steam cooled upper furnace
US-10429062-B2 · Oct 1, 2019 · US
Oxidative coupling of methane for olefin production
US-10407361-B2 · Sep 10, 2019 · US
Oxidative coupling of methane for olefin production
US-2018327334-A1 · Nov 15, 2018 · US
Oxidative coupling of methane for olefin production
US-9944573-B2 · Apr 17, 2018 · US
Oxidative coupling of methane for olefin production
US-2017297975-A1 · Oct 19, 2017 · US
High temperature sub-critical boiler with steam cooled upper furnace
US-2017284657-A1 · Oct 5, 2017 · US
Sealed stopper for an opening in a tubing for joining a chamber and a piping, particularly in the steam generator of a nuclear pressurised water reactor
US-9068684-B2 · Jun 30, 2015 · US