B65H 21/00
Apparatus for splicing webs
Official title: Apparatus for splicing webs (during web-roll changing B65H19/00)
B65H21/00 (Apparatus for splicing webs) appears on 231 US grants and 155 published applications in this corpus.
Search patents in B65H- Granted patents
- 231
- Published applications
- 155
- Assignees
- 182
- Inventors
- 462
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 7 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 9 | 0 |
| 1995 | 7 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 4 |
| 2003 | 3 | 5 |
| 2004 | 4 | 3 |
| 2005 | 5 | 4 |
| 2006 | 1 | 2 |
| 2007 | 4 | 4 |
| 2008 | 2 | 4 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 2 | 3 |
| 2013 | 0 | 4 |
| 2014 | 1 | 7 |
| 2015 | 4 | 6 |
| 2016 | 4 | 7 |
| 2017 | 8 | 7 |
| 2018 | 7 | 13 |
| 2019 | 6 | 9 |
| 2020 | 8 | 13 |
| 2021 | 9 | 12 |
| 2022 | 12 | 11 |
| 2023 | 11 | 9 |
| 2024 | 7 | 8 |
| 2025 | 10 | 7 |
| 2026 | 5 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for operating a system having a corrugator and a printing machine, and system6 Oct 2026US 12,752,550 B2BHS Corrugated Maschinen-und Anlagenbau GmbH
- Device for detecting paper splice part of cardboard sheet, and device for producing cardboard sheet31 Mar 2026US 12,589,572 B2Mitsubishi Heavy Industries Machinery Systems, Ltd.
- Electrode connection apparatus and electrode connection automation method using the same24 Mar 2026US 12,583,700 B2LG Energy Solution, Ltd.
- Method for connecting tapes, tape connecting device, processing system and use27 Jan 2026US 12,534,324 B2Georg Sahm GmbH & Co. KG
- Prepreg tape slitting apparatus and method6 Jan 2026US 12,515,376 B2Web Industries, Inc.
- Method of joining fiber web ends8 Oct 2026US 2026/0307925 A1Valmet Technologies Oy
- Coating control system and coating control method1 Oct 2026US 2026/0296824 A1Contemporary Amperex Runzhi Software Technology Limited
- Heat-sealable web splicing tape and splicer13 Aug 2026US 2026/0233875 A1Pregis LLC
- Joining Device for Joining Label Tapes6 Aug 2026US 2026/0225843 A1Krones AG
- System and method for forming a tapeless splice bond4 Jun 2026US 2026/0151275 A1The Procter & Gamble Company
Most cited
By later US patents
- Semi-automatic roll winding machine78US 4,374,576 ACompensating Tension Controls, Inc. · 1983
- Process for bonding webs55US 5,827,384 AThe Procter & Gamble Company · 1998
- Method of removing units from laminate webs which have a multiplicity of units52US 6,391,136 B1X-ident GmbH · 2002
- Web butt splicer44US 3,939,032 ACompensating Tension Controls, Inc. · 1976
- Method and apparatus for splicing packing material webs44US 4,467,589 ATevopharm-Schiedam B.V. · 1984