Threshing control system
US-2022394926-A1 · Dec 15, 2022 · US
Devices for adjusting the concaves
Devices for adjusting the concaves · 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 | A01F12/28 |
| Official title | Devices for adjusting the concaves |
| Display label | Devices for adjusting the concaves |
| Total patents | 89 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 6 |
| 2017 | 5 |
| 2018 | 9 |
| 2019 | 8 |
| 2020 | 13 |
| 2021 | 11 |
| 2022 | 10 |
| 2023 | 5 |
| 2024 | 8 |
| 2025 | 7 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Concave adjustment system in a combine harvester twin axial-flow crop processor
US-11375667-B2 · Jul 5, 2022 · US
Operator interface for a combine harvester
US-2022176818-A1 · Jun 9, 2022 · US
Grain cleaning system and method of controlling such
US-2022071088-A1 · Mar 10, 2022 · US
Cleaning device for even material distribution via shaking and harvester equipped therewith
US-11252872-B2 · Feb 22, 2022 · US
Grain cleaning system and method of controlling such
US-2022046856-A1 · Feb 17, 2022 · US
Residue monitoring system for an agricultural harvester and agricultural harvester
US-11191211-B2 · Dec 7, 2021 · US
Threshing Device with Two-Way Pull Wires and Adjustable Threshing Clearance and Combined Harvester
US-2021329842-A1 · Oct 28, 2021 · US
Rail interrupter
US-11154013-B2 · Oct 26, 2021 · US
Combine with a pre-thresher
US-11147214-B2 · Oct 19, 2021 · US
Cleaning device and harvester equipped therewith
US-2021307253-A1 · Oct 7, 2021 · US
Systems and methods for automated concave leveling of combine harvester
US-2021282328-A1 · Sep 16, 2021 · US
Concave ramp for an agricultural vehicle
US-11116137-B2 · Sep 14, 2021 · US
Rotor cage with flat walls for an agricultural vehicle
US-10945376-B2 · Mar 16, 2021 · US
Concave change system
US-2021068344-A1 · Mar 11, 2021 · US
Concave adjustment system in a combine harvester twin axial-flow crop processor
US-10932414-B2 · Mar 2, 2021 · US
Concave Ramp for an Agricultural Vehicle
US-2021051853-A1 · Feb 25, 2021 · US
Combine with a pre-thresher
US-2020404851-A1 · Dec 31, 2020 · US
Rail interrupter
US-2020404850-A1 · Dec 31, 2020 · US
Harvesting control system with cutter bar load sensing
US-2020337233-A1 · Oct 29, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A01F12/28?
- CPC A01F12/28 is the Cooperative Patent Classification code for “Devices for adjusting the concaves.”
- How many patents are filed under CPC A01F12/28 (Devices for adjusting the concaves)?
- Our database includes 89 publications tagged with this CPC code.
- Is patent activity under CPC A01F12/28 growing?
- Publication counts under this code: 8 in 2024 vs 7 in 2025 (latest complete years).