Enclosed mixed-flow grain dryer
US-2026078948-A1 · Mar 19, 2026 · US
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with provisions for working under reduced or increased pressure, with or without heating
with provisions for working under reduced or increased pressure, with or without heating · 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 | F26B17/128 |
| Official title | {with provisions for working under reduced or increased pressure, with or without heating} |
| Display label | with provisions for working under reduced or increased pressure, with or without heating |
| Total patents | 20 |
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 | 2 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 4 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 2 |
| 2025 | 1 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Enclosed mixed-flow grain dryer
US-12523423-B2 · Jan 13, 2026 · US
Grain dryer with bypass air control
US-12429282-B2 · Sep 30, 2025 · US
Resin drying systems with capability to continuously supply dried resin
US-2023251035-A1 · Aug 10, 2023 · US
Grain dryer with bypass air control
US-2023095999-A1 · Mar 30, 2023 · US
Vacuum cooled grain dryer
US-11378335-B2 · Jul 5, 2022 · US
Enclosed mixed-flow grain dryer
US-2022146197-A1 · May 12, 2022 · US
Vacuum cooled grain dryer
US-2021088282-A1 · Mar 25, 2021 · US
Mixed-flow grain dryer with cross-flow vacuum cool heat recovery system
US-10767926-B2 · Sep 8, 2020 · US
Vacuum drying method and apparatus
US-10751918-B2 · Aug 25, 2020 · US
Method and apparatus for drying granular resin material
US-2020158429-A1 · May 21, 2020 · US
Method and apparatus for vacuum drying granular resin material
US-10539366-B2 · Jan 21, 2020 · US
Mixed flow grain dryer with vacuum cool heat recovery system
US-10378820-B2 · Aug 13, 2019 · US
Vacuum drying method and apparatus
US-2018264684-A1 · Sep 20, 2018 · US
Vacuum drying apparatus and vacuum drying method using the same
US-9927172-B2 · Mar 27, 2018 · US
Mixed flow grain dryer with vacuum cool heat recovery system
US-2017299263-A1 · Oct 19, 2017 · US
Vacuum drying apparatus and vacuum drying method using the same
US-2016238315-A1 · Aug 18, 2016 · US
Vacuum drying method
US-2016151936-A1 · Jun 2, 2016 · US
Method and apparatus for vacuum drying granular resin material
US-2015316320-A1 · Nov 5, 2015 · US
Vacuum drying method and apparatus
US-2015300737-A1 · Oct 22, 2015 · US