B65H 2301/452
Utilising rotary folding means
Official title: utilising rotary folding means
B65H2301/452 (Utilising rotary folding means) appears on 17 US grants and 20 published applications in this corpus.
Search patents in B65H- Granted patents
- 17
- Published applications
- 20
- Assignees
- 17
- Inventors
- 60
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 3 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 3 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 2 | 2 |
| 2023 | 1 | 3 |
| 2024 | 4 | 2 |
| 2025 | 0 | 3 |
| 2026 | 3 | 3 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fluid delivery system for interfolding apparatus26 May 2026US 12,637,320 B2BW Converting, Inc.
- Paper creasing device and printer5 May 2026US 12,617,649 B2Citizen Systems Japan Co., Ltd.
- Machine for producing laminar products made of paper material, in particular packages of napkins, tissues or similar products and related production method14 Apr 2026US 12,600,595 B2Valmet Tissue Converting S.p.A.
- Elastomer thin sleeve folding mechanism1 Oct 2024US 12,103,807 B2Devicor Medical Products, Inc.
- Postprocessing device that controls rotation of pair of folding rollers according to status of sheet24 Sep 2024US 12,098,053 B2KYOCERA Document Solutions Inc.
- Method and machine for folding sheets3 Sep 2026US 2026/0257880 A1G. D S.p.A.
- Fluid Delivery System for Interfolding Apparatus26 Mar 2026US 2026/0084921 A1BW Converting, Inc.
- Sheet post-processing apparatus8 Jan 2026US 2026/0008646 A1KYOCERA Document Solutions Inc.
- Sheet folder, post-processing apparatus, image forming apparatus, and image forming system23 Oct 2025US 2025/0326602 A1Ricoh Company, Ltd.
- Sheet processing apparatus and image forming apparatus24 Apr 2025US 2025/0128905 A1Ricoh Company, Ltd.
Most cited
By later US patents
- Systems and methods for folding a stack of substrate sheets8US 9,199,822 B1Express Scripts, Inc. · 2015
- Method and apparatus for adjusting fold roller gaps2US 10,196,228 B2DMT Solutions Global Corporation · 2019
- Single path single web single-fold interfolder and methods2US 9,371,209 B2C. G. Bretting Manufacturing Co., Inc. · 2016
- Single path single web single-fold interfolder and methods1US 10,464,774 B2C. G. Bretting Manufacturing Co., Inc. · 2019
- Sheet processing apparatus and image forming system1US 11,535,480 B2Canon Finetech Nisca Inc. · 2022