Post processing apparatus and image forming system
US-2021331889-A1 · Oct 28, 2021 · US
with movable end support arranged to recede as pile accumulates
with movable end support arranged to recede as pile accumulates · 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 | B65H31/04 |
| Official title | with movable end support arranged to recede as pile accumulates |
| Display label | with movable end support arranged to recede as pile accumulates |
| Total patents | 91 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 7 |
| 2017 | 12 |
| 2018 | 10 |
| 2019 | 8 |
| 2020 | 10 |
| 2021 | 9 |
| 2022 | 6 |
| 2023 | 6 |
| 2024 | 4 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Paper ejection device and image forming apparatus
US-11144000-B2 · Oct 12, 2021 · US
Image forming apparatus
US-2021101768-A1 · Apr 8, 2021 · US
Medium processing apparatus, loading apparatus and medium loading method
US-2020406646-A1 · Dec 31, 2020 · US
Stacker and processing apparatus
US-10787336-B2 · Sep 29, 2020 · US
Sheet transport device, image reading device, and image forming apparatus
US-2020299087-A1 · Sep 24, 2020 · US
Paper ejection device and image forming apparatus
US-2020257231-A1 · Aug 13, 2020 · US
Printing system and printing method
US-10737901-B2 · Aug 11, 2020 · US
Medium transport device, medium processing apparatus, and control method of medium transport device
US-2020171857-A1 · Jun 4, 2020 · US
Image processing apparatus
US-2020122950-A1 · Apr 23, 2020 · US
Medium discharging device, medium processing device, and recording system
US-2020087096-A1 · Mar 19, 2020 · US
Sheet processing apparatus and image forming apparatus having the same
US-10544004-B2 · Jan 28, 2020 · US
Image processing apparatus
US-10532906-B2 · Jan 14, 2020 · US
Sheet processing apparatus and image forming apparatus
US-2019300321-A1 · Oct 3, 2019 · US
Printing system and printing method
US-2019263623-A1 · Aug 29, 2019 · US
Image reading apparatus
US-2019233239-A1 · Aug 1, 2019 · US
Sheet processing apparatus and image forming apparatus
US-10358312-B2 · Jul 23, 2019 · US
Sheet discharging apparatus, sheet feeding apparatus and image forming apparatus
US-2019062088-A1 · Feb 28, 2019 · US
Stacker and processing apparatus
US-2019062096-A1 · Feb 28, 2019 · US
Sheet processing apparatus and image forming apparatus having the same
US-2019039852-A1 · Feb 7, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B65H31/04?
- CPC B65H31/04 is the Cooperative Patent Classification code for “with movable end support arranged to recede as pile accumulates.”
- How many patents are filed under CPC B65H31/04 (with movable end support arranged to recede as pile accumulates)?
- Our database includes 91 publications tagged with this CPC code.
- Is patent activity under CPC B65H31/04 growing?
- Publication counts under this code: 4 in 2024 vs 7 in 2025 (latest complete years).