B65H 45/24
Interfolding sheets
Official title: Interfolding sheets, e.g. cigarette or toilet papers
B65H45/24 (Interfolding sheets) appears on 193 US grants and 189 published applications in this corpus.
Search patents in B65H- Granted patents
- 193
- Published applications
- 189
- Assignees
- 59
- Inventors
- 243
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 7 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 14 | 4 |
| 2002 | 1 | 9 |
| 2003 | 10 | 6 |
| 2004 | 7 | 10 |
| 2005 | 6 | 13 |
| 2006 | 6 | 8 |
| 2007 | 3 | 9 |
| 2008 | 7 | 3 |
| 2009 | 5 | 5 |
| 2010 | 4 | 8 |
| 2011 | 7 | 12 |
| 2012 | 9 | 15 |
| 2013 | 7 | 9 |
| 2014 | 6 | 9 |
| 2015 | 7 | 9 |
| 2016 | 6 | 7 |
| 2017 | 4 | 3 |
| 2018 | 2 | 4 |
| 2019 | 7 | 6 |
| 2020 | 5 | 5 |
| 2021 | 6 | 7 |
| 2022 | 5 | 4 |
| 2023 | 4 | 4 |
| 2024 | 2 | 8 |
| 2025 | 3 | 7 |
| 2026 | 8 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Advancement unit of sheets of paper in a machine for paper converting and related advancement method29 Sep 2026US 12,747,127 B2Valmet Tissue Converting S.p.A.
- System for support and movement of a stack of interfolded sheets during production of paper products in stacks of interfolded sheets in an interfolding machine8 Sep 2026US 12,729,091 B2Ot Lucca S.R.L.
- Interfolding machine8 Sep 2026US 12,729,092 B2Ot Lucca S.R.L.
- Fluid delivery system for interfolding apparatus26 May 2026US 12,637,320 B2BW Converting, Inc.
- Suction roll of a web, or sheet, of paper in a paper converting machine5 May 2026US 12,617,644 B2KöRber Tissue Fold S.R.L.
- Interfolding machine4 Jun 2026US 2026/0152362 A1Ot Lucca S.R.L.
- Folding or interfolding machine of sheets made of paper or similar material21 May 2026US 2026/0138845 A1Valmet Tissue Converting S.p.A.
- Cutting roller for interfolding machine23 Apr 2026US 2026/0109066 A1Ot Lucca S.R.L.
- Fluid Delivery System for Interfolding Apparatus26 Mar 2026US 2026/0084921 A1BW Converting, Inc.
- Interfolding machine and method for varying a length of sheet articles produced by the interfolding machine12 Feb 2026US 2026/0042633 A1Ot Lucca S.R.L.
Most cited
By later US patents
- Interleaved towel fold configuration60US 5,118,554 AScott Paper Company · 1992
- Method and apparatus for interfolding webs56US 4,824,426 APaper Converting Machine Company · 1989
- Tissue cutting and interfolding apparatus for Z webs54US 4,494,741 A1985
- Clip separator for interfolded sheets54US 4,770,402 AC. G. Bretting Manufacturing Co., Inc. · 1988
- Apparatus and process for separating stacks of sheets into bundles52US 4,721,295 AKimberly-Clark Corporation · 1988