B65H 20/30
Arrangements for accumulating surplus web
Official title: Arrangements for accumulating surplus web (while changing the web roll B65H19/14, B65H19/24)
B65H20/30 (Arrangements for accumulating surplus web) appears on 221 US grants and 180 published applications in this corpus.
Search patents in B65H- Granted patents
- 221
- Published applications
- 180
- Assignees
- 186
- Inventors
- 546
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 10 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 11 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 1 |
| 2002 | 7 | 4 |
| 2003 | 4 | 5 |
| 2004 | 5 | 3 |
| 2005 | 2 | 6 |
| 2006 | 0 | 4 |
| 2007 | 0 | 5 |
| 2008 | 3 | 5 |
| 2009 | 1 | 6 |
| 2010 | 2 | 6 |
| 2011 | 4 | 4 |
| 2012 | 4 | 11 |
| 2013 | 2 | 10 |
| 2014 | 3 | 2 |
| 2015 | 13 | 11 |
| 2016 | 7 | 12 |
| 2017 | 9 | 12 |
| 2018 | 13 | 9 |
| 2019 | 6 | 9 |
| 2020 | 12 | 17 |
| 2021 | 6 | 3 |
| 2022 | 5 | 8 |
| 2023 | 4 | 3 |
| 2024 | 5 | 11 |
| 2025 | 10 | 10 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Recording system and post-processing device7 Jul 2026US 12,673,837 B2Seiko Epson Corporation
- Compound equipment of latex-free tufted carpet19 May 2026US 12,630,954 B2Binzhou Oriental Carpet Co., Ltd.
- Apparatus for cutting a material web into individual sheets with a web storage17 Feb 2026US 12,552,628 B2BW Papersystems Stuttgart GmbH
- Converting machine with automatic insertion of the material strip23 Dec 2025US 12,503,328 B2Ims Technologies S.P.A.
- Converting machine with material strip storage buffer16 Dec 2025US 12,497,258 B2Ims Technologies S.P.A.
- Film forming apparatus2 Jul 2026US 2026/0183790 A1Kabushiki Kaisha Toshiba
- Media collecting2 Apr 2026US 2026/0091949 A1Hewlett-Packard Development Company, L. P.
- Pouch Film Supply Device for Secondary Batteries15 Jan 2026US 2026/0015198 A1LG Energy Solution, Ltd.
- Lamination machine and lamination method2 Oct 2025US 2025/0303685 A1Prologium Technology Co., Ltd.
- Method and system for joining strips of battery grid31 Jul 2025US 2025/0246638 A1Tbs Engineering Limited
Most cited
By later US patents
- Web accumulator93US 4,009,814 AScott Paper Company · 1977
- Counterbalanced web accumulator88US 6,050,517 A2000
- Opposed arm web accumulator73US 5,163,594 ACurt G. Joa, Inc. · 1992
- Controlling web tension, and accumulating lengths of web, by actively controlling velocity and acceleration of a festoon72US 6,473,669 B2Kimberly-Clark Worldwide, Inc. · 2002
- Method and apparatus for stretch wrapping the top and sides of a load68US 5,463,842 ALantech, Inc. · 1995