Freeze vacuum drying apparatus and freeze vacuum drying method
US-11112176-B2 · Sep 7, 2021 · US
the materials passing down a heated surface {, e.g. fluid-heated closed ducts or other heating elements in contact with the moving stack of material (F26B17/128 takes precedence)} · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F26B17/16 |
| Official title | the materials passing down a heated surface {, e.g. fluid-heated closed ducts or other heating elements in contact with the moving stack of material (F26B17/128 takes precedence)} |
| Display label | the materials passing down a heated surface {, e.g. fluid-heated closed ducts or other heating elements in contact with the moving stack of material (F26B17/128 takes precedence)} |
| Total patents | 6 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be growing based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2018 | 1 |
| 2021 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11112176-B2 · Sep 7, 2021 · US
US-2021080179-A1 · Mar 18, 2021 · US
US-9937639-B2 · Apr 10, 2018 · US
US-9242218-B2 · Jan 26, 2016 · US
US-2015308741-A1 · Oct 29, 2015 · US
US-9075328-B2 · Jul 7, 2015 · US