Sheet stacking device and image forming apparatus incorporating the sheet stacking device
US-11753266-B2 · Sep 12, 2023 · US
acting on stacking devices
acting on stacking devices · 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 | B65H29/246 |
| Official title | {acting on stacking devices} |
| Display label | acting on stacking devices |
| Total patents | 70 |
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 | 3 |
| 2017 | 7 |
| 2018 | 10 |
| 2019 | 6 |
| 2020 | 5 |
| 2021 | 7 |
| 2022 | 14 |
| 2023 | 4 |
| 2024 | 5 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Image forming apparatus
US-11738963-B2 · Aug 29, 2023 · US
Postprocessing device that forms air layer between upper face of sheets already stacked on processing tray and lower face of sheet newly placed on processing tray, and image forming system
US-2023264492-A1 · Aug 24, 2023 · US
Sheet stacking device, sheet stacking method, sheet stacking program, counter ejector, and box making machine
US-11535476-B2 · Dec 27, 2022 · US
Image formation air blowing device for blowing airflow toward a target space on a discharge table
US-11507018-B2 · Nov 22, 2022 · US
Sheet conveying device and image forming system incorporating the sheet conveying device
US-2022324670-A1 · Oct 13, 2022 · US
Sheet discharge apparatus and image forming apparatus
US-11440764-B2 · Sep 13, 2022 · US
Post-processing device and image forming apparatus
US-11401127-B2 · Aug 2, 2022 · US
Sheet stacking apparatus and image forming system
US-11370632-B2 · Jun 28, 2022 · US
Post-processing apparatus
US-11365082-B2 · Jun 21, 2022 · US
Sheet stacker and image forming system incorporating the sheet stacker
US-11325802-B2 · May 10, 2022 · US
Sheet stacking device, counter-ejector, and carton former
US-2022106146-A1 · Apr 7, 2022 · US
Post-processing apparatus
US-11274008-B2 · Mar 15, 2022 · US
Post-processing device and image forming apparatus
US-2022048722-A1 · Feb 17, 2022 · US
Post-processing device and image forming apparatus
US-2022048721-A1 · Feb 17, 2022 · US
Sheet discharge apparatus and image forming apparatus
US-2022033212-A1 · Feb 3, 2022 · US
Image formation air blowing device and image forming apparatus
US-2022019175-A1 · Jan 20, 2022 · US
Stacking module with air streams
US-11198580-B2 · Dec 14, 2021 · US
Image forming apparatus
US-2021347595-A1 · Nov 11, 2021 · US
Sheet stacking device, sheet stacking method, sheet stacking program, counter ejector, and box making machine
US-2021300710-A1 · Sep 30, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B65H29/246?
- CPC B65H29/246 is the Cooperative Patent Classification code for “acting on stacking devices.”
- How many patents are filed under CPC B65H29/246 (acting on stacking devices)?
- Our database includes 70 publications tagged with this CPC code.
- Is patent activity under CPC B65H29/246 growing?
- Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).