Worm conveyor and press
US-12382875-B2 · Aug 12, 2025 · US
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with a discontinuous helical surface
with a discontinuous helical surface · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B65G33/30 |
| Official title | with a discontinuous helical surface |
| Display label | with a discontinuous helical surface |
| Total patents | 12 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Worm conveyor and press
US-2022361414-A1 · Nov 17, 2022 · US
Slurry drying plant, a method for drying slurry and use of a slurry drying plant
US-11187458-B2 · Nov 30, 2021 · US
Refrigerator and method of manufacturing auger for the refrigerator
US-11073321-B2 · Jul 27, 2021 · US
Separating apparatus for separating crossed hooks
US-10759608-B2 · Sep 1, 2020 · US
A slurry drying plant, a method for drying slurry and use of a slurry drying plant
US-2019376742-A1 · Dec 12, 2019 · US
Separating apparatus for separating crossed hooks
US-2019248594-A1 · Aug 15, 2019 · US
Toner conveyance device and image forming apparatus including the same
US-10175611-B2 · Jan 8, 2019 · US
Plug screw feeder, feeder arrangement and system for treatment of lignocellulosic biomass material
US-10106328-B2 · Oct 23, 2018 · US
Toner conveyance device and image forming apparatus including the same
US-2018275562-A1 · Sep 27, 2018 · US
Refrigerator and method of manufacturing auger for the refrigerator
US-2018164018-A1 · Jun 14, 2018 · US
Plug screw feeder, feeder arrangement and system for treatment of lignocellulosic biomass material
US-2017217687-A1 · Aug 3, 2017 · US