B65H 2301/4185
Core or mandrel discharge or removal, also organisation of core removal
B65H2301/4185 (Core or mandrel discharge or removal, also organisation of core removal) appears on 105 US grants and 86 published applications in this corpus.
Search patents in B65H- Granted patents
- 105
- Published applications
- 86
- Assignees
- 89
- Inventors
- 206
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 2 |
| 2003 | 5 | 5 |
| 2004 | 4 | 4 |
| 2005 | 3 | 6 |
| 2006 | 2 | 3 |
| 2007 | 1 | 4 |
| 2008 | 1 | 0 |
| 2009 | 0 | 3 |
| 2010 | 2 | 3 |
| 2011 | 4 | 3 |
| 2012 | 0 | 0 |
| 2013 | 3 | 2 |
| 2014 | 1 | 3 |
| 2015 | 1 | 3 |
| 2016 | 4 | 4 |
| 2017 | 1 | 1 |
| 2018 | 4 | 6 |
| 2019 | 4 | 3 |
| 2020 | 3 | 4 |
| 2021 | 4 | 7 |
| 2022 | 4 | 5 |
| 2023 | 1 | 2 |
| 2024 | 5 | 8 |
| 2025 | 4 | 1 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B65H 2301/41852By extracting mandrel from wound rollIndexing code59
- B65H 2301/41856By stripping core from mandrel or chuckIndexing code29
- B65H 2301/41854By extracting core from wound roll, i.e. in coreless applications onlyIndexing code13
- B65H 2301/4186By lifting or lowering deviceIndexing code10
- B65H 2301/41858By collecting cores in containerIndexing code8
- B65H 2301/41859By continuously operated deviceIndexing code4
Recent patents
- Clasp for producing coreless roll products8 Sep 2026US 12,729,087 B2BW Converting, Inc.
- Method and apparatus for producing coreless roll products9 Jun 2026US 12,649,638 B2BW Converting, Inc.
- Reel support assembly for a web material processing machine and hotfoil stamping machine20 Jan 2026US 12,528,658 B2Bobst Mex SA
- Automatic roll replacing device, and winding equipment7 Oct 2025US 12,434,934 B2Wuxi Lead Intelligent Equipment Co., Ltd.
- Carrier tape processing device and carrier tape processing method2 Sep 2025US 12,404,135 B2Panasonic Intellectual Property Management Co., Ltd.
- Improved Method and Apparatus for Producing Coreless Roll Products16 Jul 2026US 2026/0200691 A1BW Converting, Inc.
- Winding device, method of replacing mandrel, and mandrel2 Jul 2026US 2026/0183817 A1Primetals Technologies Japan, Ltd.
- Apparatus for the production of inner assemblies and method thereof9 Apr 2026US 2026/0097920 A1G. D S.p.A.
- Method and apparatus for the production of coreless paper rolls9 Oct 2025US 2025/0313422 A1United Converting Tissue S.R.L.
- Clasp for Producing Coreless Roll Products19 Dec 2024US 2024/0417201 A1Paper Converting Machine Company
Most cited
By later US patents
- Automatic apparatus for furnishing web in rotary press40US 4,131,206 AKabushiki Kaisha Kaneda Kikai Seisakusho · 1978
- Winding arbor having a plurality of air valves for making coreless paper rolls and method for using27US 5,797,559 ANCR Corporation · 1998
- Mandrel supports for automatic web rewinder26US 4,266,735 AMagna-Graphics Corporation · 1981
- Peripheral rewinding machine for producing rolls of wound web material and corresponding method of winding25US 6,565,033 B1Fabio Perini S. P. A. · 2003
- Coreless paper roll manufacturing system24US 5,271,575 AJames River Paper Company, Inc. · 1993