B65H 2301/4216
Of web folded in zig-zag form
Official title: of web folded in zig-zag form
B65H2301/4216 (Of web folded in zig-zag form) appears on 70 US grants and 30 published applications in this corpus.
Search patents in B65H- Granted patents
- 70
- Published applications
- 30
- Assignees
- 40
- Inventors
- 94
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 6 | 0 |
| 2000 | 10 | 0 |
| 2001 | 9 | 1 |
| 2002 | 1 | 8 |
| 2003 | 4 | 0 |
| 2004 | 4 | 2 |
| 2005 | 3 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 2 |
| 2010 | 2 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 2 | 3 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 2 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
| 2025 | 0 | 3 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pleated filter preparation system31 Mar 2026US 12,589,570 B2K&N Engineering, Inc.
- Zig zag folder with perforator and zig zag folded web having perforations10 Mar 2026US 12,570,019 B2C. G. Bretting Manufacturing Co., Inc.
- Pleated filter preparation system1 Oct 2024US 12,103,264 B2K&N Engineering, Inc.
- Pleated filter preparation system30 May 2023US 11,660,834 B2K&N Engineering, Inc.
- Stacking of plies of rubber compound22 Mar 2022US 11,279,588 B2Compagnie Generale Des Etablissements Michelin
- Stacking machine17 Sep 2026US 2026/0274605 A1Wuxi Lead Intelligent Equipment Co., Ltd.
- Pleated Filter Preparation System30 Jul 2026US 2026/0216986 A1K&N Engineering, Inc.
- Supply device of supplying sheet material11 Jun 2026US 2026/0159348 A1Toyota Boshoku Kabushiki Kaisha
- Device and method for z-shaped feeding of a separator web to a stacking process with web tension control6 Nov 2025US 2025/0343256 A1GROB-WERKE GmbH & Co. KG
- Apparatus and method for converting a sheet into a continuous strip28 Aug 2025US 2025/0269549 A1Vmi Holland B .V.
Most cited
By later US patents
- Method and apparatus for packaging95US 4,201,029 AAutomated Packaging Systems, Inc. · 1980
- Apparatus and process for separating and removing bundles of sheets43US 4,700,939 AKimberly-Clark Corporation · 1987
- Stacking system for fanfold paper and the like30US 4,226,410 ACentronics Data Computer Corp. · 1980
- Document stacking table lowering method, apparatus and controlling circuitry therefor28US 4,189,133 AInternational Business Machines Corporation · 1980
- Web stacker and separator apparatus and method24US 6,322,315 B1C. G. Bretting Manufacturing Co., Inc. · 2001