Gas-fired steam-injection boiler for oil field
US-2024353095-A1 · Oct 24, 2024 · US
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bent in serpentine or sinuous form
bent in serpentine or sinuous form · 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 | F22B21/24 |
| Official title | bent in serpentine or sinuous form |
| Display label | bent in serpentine or sinuous form |
| Total patents | 10 |
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 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hinged baffle assembly for heat recovery steam generator
US-10845134-B2 · Nov 24, 2020 · US
Evaporator, rankine cycle apparatus, and combined heat and power system
US-10494957-B2 · Dec 3, 2019 · US
Hinged baffle assembly for heat recovery steam generator
US-2019285366-A1 · Sep 19, 2019 · US
Evaporator, rankine cycle apparatus, and combined heat and power system
US-2018100411-A1 · Apr 12, 2018 · US
Evaporator, rankine cycle apparatus, and combined heat and power system
US-9869208-B2 · Jan 16, 2018 · US
Combined heat and power system
US-9863280-B2 · Jan 9, 2018 · US
Rankine cycle apparatus and combined heat and power system
US-9638066-B2 · May 2, 2017 · US
Combined heat and power system
US-2016040556-A1 · Feb 11, 2016 · US
Rankine cycle apparatus and combined heat and power system
US-2015308294-A1 · Oct 29, 2015 · US