B65H 2301/4181
Core or mandrel supply
B65H2301/4181 (Core or mandrel supply) appears on 214 US grants and 105 published applications in this corpus.
Search patents in B65H- Granted patents
- 214
- Published applications
- 105
- Assignees
- 100
- Inventors
- 251
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 6 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 9 | 0 |
| 1998 | 13 | 0 |
| 1999 | 5 | 0 |
| 2000 | 12 | 0 |
| 2001 | 5 | 0 |
| 2002 | 4 | 8 |
| 2003 | 10 | 12 |
| 2004 | 8 | 12 |
| 2005 | 5 | 12 |
| 2006 | 5 | 7 |
| 2007 | 15 | 8 |
| 2008 | 8 | 2 |
| 2009 | 6 | 8 |
| 2010 | 6 | 2 |
| 2011 | 3 | 6 |
| 2012 | 5 | 3 |
| 2013 | 1 | 2 |
| 2014 | 0 | 0 |
| 2015 | 4 | 1 |
| 2016 | 4 | 4 |
| 2017 | 3 | 3 |
| 2018 | 2 | 2 |
| 2019 | 2 | 1 |
| 2020 | 2 | 2 |
| 2021 | 1 | 3 |
| 2022 | 3 | 0 |
| 2023 | 0 | 0 |
| 2024 | 2 | 2 |
| 2025 | 0 | 5 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B65H 2301/41812By conveyor belt or chain running in closed loopIndexing code87
- B65H 2301/41816By core magazine within winding machine, i.e. horizontal or inclined ramp holdingIndexing code77
- B65H 2301/41814By container storing cores and feeding through wedge-shaped slot or elongated channelIndexing code72
- B65H 2301/41818Mandrels circulating in machine or systemIndexing code42
Recent patents
- Device for replacing a coil or a core, arrangement, and method for replacing a coil or a core18 Aug 2026US 12,709,508 B2PowerCo SE
- Core box6 Jan 2026US 12,515,889 B2Vybond Group, Inc.
- Core box13 Aug 2024US 12,060,232 B2Berry Global, Inc.
- Film dispenser for a wrapping apparatus and related methods28 May 2024US 11,993,411 B2Wulftec International Inc.
- Extraction assembly of a core from a log, converting line having said assembly and method for producing a coreless log13 Dec 2022US 11,524,860 B2Gambini S.P.A.
- Mandrel feeding device and battery winder25 Dec 2025US 2025/0388424 A1Wuxi Lead Intelligent Equipment Co., Ltd.
- Method and apparatus for the production of coreless paper rolls9 Oct 2025US 2025/0313422 A1United Converting Tissue S.R.L.
- Automatic core loading system29 May 2025US 2025/0171263 A1Pinnacle Converting Equipment & Services, LLC
- Loading a fabric attachment hardware element1 May 2025US 2025/0136399 A1We Print Gifts Ltd.
- Device for replacing a coil or a core, arrangement, and method for replacing a coil or a core9 Jan 2025US 2025/0011121 A1Volkswagen Aktiengesellschaft
Most cited
By later US patents
- Accumulator apparatus90US 4,168,776 AMapatent N.V. · 1979
- Rewinding machine for the formation of rolls or logs, and winding method88US 5,137,225 AFabio Perini S. P. A. · 1992
- Web winding apparatus and method85US 4,487,377 AFinanziaria Lucchese S.p.A. · 1984
- Apparatus and method for winding paper83US 6,036,137 AValmet-Karlstad AB · 2000
- Rewinding machine and method for the formation of logs of web material with means for severing the web material80US 5,979,818 AFabio Perini S. P. A. · 1999