Doser mechanisms
US-12351351-B2 · Jul 8, 2025 · US
using screw conveyors
using screw conveyors · 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 | B65G65/46 |
| Official title | using screw conveyors |
| Display label | using screw conveyors |
| Total patents | 66 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 6 |
| 2018 | 6 |
| 2019 | 8 |
| 2020 | 6 |
| 2021 | 9 |
| 2022 | 3 |
| 2023 | 9 |
| 2024 | 7 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Powder supply device
US-2024425307-A1 · Dec 26, 2024 · US
Bulk material unloading systems and methods
US-12116224-B2 · Oct 15, 2024 · US
Reactor discharge screw
US-12091817-B2 · Sep 17, 2024 · US
Tubular formed body, and storage structure
US-12031644-B2 · Jul 9, 2024 · US
Device and method for safe aluminium residue storage
US-2024219117-A1 · Jul 4, 2024 · US
A method for crushing wasted gypsum boards and a silo therefor
US-2024139755-A1 · May 2, 2024 · US
Doser mechanisms
US-11858673-B2 · Jan 2, 2024 · US
Doser mechanisms
US-2023415932-A1 · Dec 28, 2023 · US
Vacuum assisted and heated auger feeder for achieving higher packing efficiency of powder insulation materials in vacuum insulated structures
US-11828402-B2 · Nov 28, 2023 · US
Techniques for powder delivery in additive fabrication and related systems and methods
US-2023311419-A1 · Oct 5, 2023 · US
Livestock feed tank with modular unloader
US-11766023-B2 · Sep 26, 2023 · US
Bulk material unloading systems and methods
US-2023174326-A1 · Jun 8, 2023 · US
Metering apparatus and method for operating a metering apparatus
US-11648183-B2 · May 16, 2023 · US
Convertible dual-sided auger system for a farm implement
US-11641805-B2 · May 9, 2023 · US
Product leveling device within a tank
US-11618638-B2 · Apr 4, 2023 · US
Doser mechanisms
US-2023071560-A1 · Mar 9, 2023 · US
Vacuum assisted and heated auger feeder for achieving higher packing efficiency of powder insulation materials in vacuum insulated structures
US-2022364674-A1 · Nov 17, 2022 · US
Vacuum assisted and heated auger feeder for achieving higher packing efficiency of powder insulation materials in vacuum insulated structures
US-11435023-B2 · Sep 6, 2022 · US
Sugar dispenser with auger
US-11219329-B2 · Jan 11, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B65G65/46?
- CPC B65G65/46 is the Cooperative Patent Classification code for “using screw conveyors.”
- How many patents are filed under CPC B65G65/46 (using screw conveyors)?
- Our database includes 66 publications tagged with this CPC code.
- Is patent activity under CPC B65G65/46 growing?
- Publication counts under this code: 7 in 2024 vs 6 in 2025 (latest complete years).