Aspiration system for agricultural vehicle
US-2025331464-A1 · Oct 30, 2025 · US
Air conduits or blowers for grain
Air conduits or blowers for grain · Cooperative Patent Classification (CPC)
Agriculture, food, personal care, health, and life sciences.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | A01F12/48 |
| Official title | Air conduits or blowers for grain |
| Display label | Air conduits or blowers for grain |
| Total patents | 58 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 8 |
| 2018 | 9 |
| 2019 | 11 |
| 2020 | 6 |
| 2021 | 2 |
| 2022 | 8 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sugarcane harvester with residue capture system
US-2025318472-A1 · Oct 16, 2025 · US
Fan assembly for a cleaning device of a combine harvester
US-2025151657-A1 · May 15, 2025 · US
Cleaning fan airflow control system
US-12232444-B2 · Feb 25, 2025 · US
Combine harvesters having air channel assemblies, and related methods
US-12178162-B2 · Dec 31, 2024 · US
Grain cleaning system and method of controlling such
US-12133484-B2 · Nov 5, 2024 · US
Combine
US-2024268271-A1 · Aug 15, 2024 · US
Fan hub cover
US-11895951-B2 · Feb 13, 2024 · US
Combine Harvesters Having Reversible Return Systems, and Related Methods
US-2024008413-A1 · Jan 11, 2024 · US
System for detecting a condition indicative of plugging of an agricultural combine
US-2023200298-A1 · Jun 29, 2023 · US
Combine harvester and method of controlling a combine harvester
US-11582915-B2 · Feb 21, 2023 · US
Cleaning fan airflow control system
US-2023039498-A1 · Feb 9, 2023 · US
Combine harvester having a threshing device
US-11528847-B2 · Dec 20, 2022 · US
Inlet cover for a cross flow fan
US-2022279726-A1 · Sep 8, 2022 · US
Threshing Apparatus
US-2022217911-A1 · Jul 14, 2022 · US
Combine
US-2022210973-A1 · Jul 7, 2022 · US
Combine harvester and discharge assembly of the same
US-11375661-B2 · Jul 5, 2022 · US
Fan hub cover
US-2022174878-A1 · Jun 9, 2022 · US
Grain cleaning system and method of controlling such
US-2022046856-A1 · Feb 17, 2022 · US
Combine harvesters having air channel assemblies, and related methods
US-2022022377-A1 · Jan 27, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A01F12/48?
- CPC A01F12/48 is the Cooperative Patent Classification code for “Air conduits or blowers for grain.”
- How many patents are filed under CPC A01F12/48 (Air conduits or blowers for grain)?
- Our database includes 58 publications tagged with this CPC code.
- Is patent activity under CPC A01F12/48 growing?
- Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).