B65H 2301/4182
Core or mandrel insertion
Official title: Core or mandrel insertion, e.g. means for loading core or mandrel in winding position
B65H2301/4182 (Core or mandrel insertion) appears on 136 US grants and 49 published applications in this corpus.
Search patents in B65H- Granted patents
- 136
- Published applications
- 49
- Assignees
- 79
- Inventors
- 194
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 6 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 9 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 9 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 2 |
| 2003 | 2 | 2 |
| 2004 | 1 | 1 |
| 2005 | 5 | 3 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 2 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 3 | 3 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 5 |
| 2017 | 2 | 3 |
| 2018 | 4 | 0 |
| 2019 | 2 | 3 |
| 2020 | 1 | 2 |
| 2021 | 3 | 4 |
| 2022 | 2 | 2 |
| 2023 | 1 | 1 |
| 2024 | 5 | 4 |
| 2025 | 1 | 5 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Surface rewinder with center assist and belt and winding drum forming a winding nest14 Apr 2026US 12,600,590 B2BW Converting, Inc.
- Core box6 Jan 2026US 12,515,889 B2Vybond Group, Inc.
- Automatic roll replacing device, and winding equipment7 Oct 2025US 12,434,934 B2Wuxi Lead Intelligent Equipment Co., Ltd.
- Water bottle device assembly17 Dec 2024US 12,168,207 B2Cirkul, Inc.
- Automatic replacement apparatus and method for feed material26 Nov 2024US 12,151,911 B2People & Technology Inc.
- Apparatus and method for making thermoplastic film rolls8 Oct 2026US 2026/0307926 A1
- Line for producing tubes made of web-like material22 Jan 2026US 2026/0021989 A1Valmet Tissue Converting S.p.A.
- Mandrel feeding device and battery winder25 Dec 2025US 2025/0388424 A1Wuxi Lead Intelligent Equipment Co., Ltd.
- Loading a fabric attachment hardware element1 May 2025US 2025/0136399 A1We Print Gifts Ltd.
- Water bottle device assembly6 Mar 2025US 2025/0073656 A1Cirkul, Inc.
Most cited
By later US patents
- Rewinding machine for the formation of rolls or logs, and winding method88US 5,137,225 AFabio Perini S. P. A. · 1992
- Surface winder with pinch cutoff74US 6,056,229 APaper Converting Machine Company · 2000
- Slitter-rewinder system70US 4,422,588 AThe Black Clawson Company · 1983
- Winding device68US 4,327,877 A1982
- Apparatus and method for winding rolls of web material with severing of web by roll acceleration51US 5,368,252 AFabio Perini S. P. A. · 1994