B65H 18/26
Mechanisms for controlling contact pressure on winding-web package
Official title: Mechanisms for controlling contact pressure on winding-web package, e.g. for regulating the quantity of air between web layers
B65H18/26 (Mechanisms for controlling contact pressure on winding-web package) appears on 302 US grants and 159 published applications in this corpus.
Search patents in B65H- Granted patents
- 302
- Published applications
- 159
- Assignees
- 148
- Inventors
- 525
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 8 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 12 | 0 |
| 1995 | 5 | 0 |
| 1996 | 12 | 0 |
| 1997 | 8 | 0 |
| 1998 | 18 | 0 |
| 1999 | 14 | 0 |
| 2000 | 13 | 0 |
| 2001 | 15 | 3 |
| 2002 | 10 | 10 |
| 2003 | 12 | 8 |
| 2004 | 10 | 13 |
| 2005 | 6 | 10 |
| 2006 | 4 | 4 |
| 2007 | 8 | 9 |
| 2008 | 5 | 8 |
| 2009 | 7 | 4 |
| 2010 | 5 | 4 |
| 2011 | 5 | 4 |
| 2012 | 7 | 3 |
| 2013 | 2 | 4 |
| 2014 | 5 | 7 |
| 2015 | 3 | 2 |
| 2016 | 3 | 10 |
| 2017 | 4 | 6 |
| 2018 | 8 | 11 |
| 2019 | 10 | 7 |
| 2020 | 10 | 7 |
| 2021 | 6 | 4 |
| 2022 | 5 | 4 |
| 2023 | 1 | 6 |
| 2024 | 7 | 3 |
| 2025 | 5 | 4 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrode material winding apparatus30 Jun 2026US 12,668,447 B2LG Electronics Inc.
- Paper web winding: roll quality improvement through the maximization of coupling between drive rolls and driven built paper roll12 May 2026US 12,623,874 B1
- Surface rewinder with center assist and belt and winding drum forming a winding nest14 Apr 2026US 12,600,590 B2BW Converting, Inc.
- Printer27 Jan 2026US 12,533,891 B2Seiko Instruments Inc.
- Method and apparatus for processing a length of padding material23 Sep 2025US 12,421,067 B2Sprick GmbH Bielefelder Papier- und Wellpappenwerke & Co.
- A method of winding a web9 Jul 2026US 2026/0193049 A1Valmet Corporation
- Winding machine having a positionable reel25 Jun 2026US 2026/0176100 A1Bf S.R.L.
- Machine for the production of rolls of paper material and relative winding procedure19 Mar 2026US 2026/0077972 A1Giotto Technologies S.r.l.
- Electrode material winding apparatus8 Jan 2026US 2026/0008641 A1LG Electronics Inc.
- Method and system for monitoring the performance of a winding spool in the reel section of a paper machine9 Oct 2025US 2025/0313423 A1Valmet Corporation
Most cited
By later US patents
- Apparatus and method for winding paper83US 6,036,137 AValmet-Karlstad AB · 2000
- Apparatus and method for winding paper66US 6,698,681 B1Kimberly-Clark Worldwide, Inc. · 2004
- Apparatus and method for winding paper54US 5,901,918 AValmet-Karlstad AB · 1999
- Parent roll for tissue paper44US 5,944,273 AKimberly-Clark Worldwide, Inc. · 1999
- Method and apparatus for producing coreless rolls of sheet material and a coreless roll of material43US 6,102,313 ASaltech Inc. · 2000