Boiler fill valve with regulated fast-fill
US-11054129-B2 · Jul 6, 2021 · US
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for varying the speed or delivery pressure of feed pumps
for varying the speed or delivery pressure of feed pumps · 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 | F22D5/18 |
| Official title | for varying the speed or delivery pressure of feed pumps |
| Display label | for varying the speed or delivery pressure of feed pumps |
| Total patents | 7 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method for controlling a closed loop working on a rankine cycle with a tank and a pressure regulating device
US-10634011-B2 · Apr 28, 2020 · US
Boiler fill valve with regulated fast-fill
US-2019154252-A1 · May 23, 2019 · US
Boiler fill valve with fast-fill and non-oscilatting dial features
US-10247327-B2 · Apr 2, 2019 · US
Heat energy recovery system
US-9995244-B2 · Jun 12, 2018 · US
Heat energy recovery system
US-2017089295-A1 · Mar 30, 2017 · US
Device for controlling a closed loop working on a rankine cycle and method using same
US-2015300210-A1 · Oct 22, 2015 · US