Threshing spine
US-12471534-B2 · Nov 18, 2025 · US
Threshing cylinders with ribs
Threshing cylinders with ribs · 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 | A01F12/20 |
| Official title | Threshing cylinders with ribs |
| Display label | Threshing cylinders with ribs |
| Total patents | 37 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 5 |
| 2018 | 6 |
| 2019 | 7 |
| 2020 | 2 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Threshing spine
US-2024172594-A1 · May 30, 2024 · US
Combine harvester and threshing drum for a threshing device of a combine harvester
US-2024081182-A1 · Mar 14, 2024 · US
Threshing spine
US-11925145-B2 · Mar 12, 2024 · US
Threshing cylinder
US-11917947-B2 · Mar 5, 2024 · US
Rasp bar configuration for an agricultural implement
US-2023276736-A1 · Sep 7, 2023 · US
Threshing Apparatus and Harvester
US-2023247943-A1 · Aug 10, 2023 · US
Agricultural vehicle with adjustable rasp bars
US-11399466-B2 · Aug 2, 2022 · US
Threshing components for combine harvester
US-11382273-B2 · Jul 12, 2022 · US
Combine harvester and discharge assembly of the same
US-11375661-B2 · Jul 5, 2022 · US
Agricultural vehicle with adjustable rasp bars
US-2022039322-A1 · Feb 10, 2022 · US
Tapered vane for agricultural harvester transition cone
US-11083136-B2 · Aug 10, 2021 · US
Threshing Cylinder
US-2021212260-A1 · Jul 15, 2021 · US
Threshing spine
US-2021204480-A1 · Jul 8, 2021 · US
Threshing components for combine harvester
US-2021127583-A1 · May 6, 2021 · US
Auxiliary processing system
US-10674671-B2 · Jun 9, 2020 · US
Threshing and separating system with adjustable rotor vanes
US-10660274-B2 · May 26, 2020 · US
Threshing and separating system with helical slats for an agricultural harvester
US-10440892-B2 · Oct 15, 2019 · US
Threshing apparatus in a combine harvester having a multiposition stop device for setting clearance of concave grate segment
US-10405494-B2 · Sep 10, 2019 · US
Rasp bar for a combine
US-10368492-B2 · Aug 6, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A01F12/20?
- CPC A01F12/20 is the Cooperative Patent Classification code for “Threshing cylinders with ribs.”
- How many patents are filed under CPC A01F12/20 (Threshing cylinders with ribs)?
- Our database includes 37 publications tagged with this CPC code.
- Is patent activity under CPC A01F12/20 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).