Chain guide for grain elevator of combine harvester
US-12575500-B2 · Mar 17, 2026 · US
Impellers, e.g. push-plates, scrapers; Guiding means therefor
Impellers, e.g. push-plates, scrapers; Guiding means therefor · 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 | B65G19/22 |
| Official title | Impellers, e.g. push-plates, scrapers; Guiding means therefor |
| Display label | Impellers, e.g. push-plates, scrapers; Guiding means therefor |
| Total patents | 53 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 5 |
| 2017 | 2 |
| 2018 | 13 |
| 2019 | 8 |
| 2020 | 7 |
| 2021 | 6 |
| 2022 | 5 |
| 2023 | 1 |
| 2024 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Conveyor device
US-2026015179-A1 · Jan 15, 2026 · US
Chain guide for grain elevator of combine harvester
US-2024365711-A1 · Nov 7, 2024 · US
Chain conveyor and link for same
US-11858745-B2 · Jan 2, 2024 · US
Paver conveyor wear plates
US-11549224-B2 · Jan 10, 2023 · US
Chain conveyor and link for same
US-11530095-B2 · Dec 20, 2022 · US
Chain conveyor
US-11440736-B2 · Sep 13, 2022 · US
Device and method for distributed detection of straightness of working face of scraper conveyor based on optical fiber sensing
US-11402196-B2 · Aug 2, 2022 · US
Chain conveyor and link for same
US-2022234835-A1 · Jul 28, 2022 · US
Device and method for distributed detection of straightness of working face of scraper conveyor based on optical fiber sensing
US-2022144554-A1 · May 12, 2022 · US
Paver conveyor wear plates
US-2021301477-A1 · Sep 30, 2021 · US
Chain conveyor
US-2021237979-A1 · Aug 5, 2021 · US
Chain conveyor
US-10981728-B2 · Apr 20, 2021 · US
Chain conveyor and coupler link for same
US-10974905-B2 · Apr 13, 2021 · US
Embedded scraper rotation angle detection device for scraper conveyor and detection method
US-2021002080-A1 · Jan 7, 2021 · US
Embedded scraper rotation angle detection device for scraper conveyor and detection method
US-10882700-B1 · Jan 5, 2021 · US
Chain conveyor and link for same
US-2020354150-A1 · Nov 12, 2020 · US
Conveyor and conveyance method
US-10745204-B2 · Aug 18, 2020 · US
Chain conveyor and link for same
US-10717603-B2 · Jul 21, 2020 · US
Chain conveyor and coupler link for same
US-2020115164-A1 · Apr 16, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B65G19/22?
- CPC B65G19/22 is the Cooperative Patent Classification code for “Impellers, e.g. push-plates, scrapers; Guiding means therefor.”
- How many patents are filed under CPC B65G19/22 (Impellers, e.g. push-plates, scrapers; Guiding means therefor)?
- Our database includes 53 publications tagged with this CPC code.
- Is patent activity under CPC B65G19/22 growing?
- Publication counts under this code: 1 in 2023 vs 2 in 2024 (latest complete years).