B65H 20/12
Advancing webs: by suction roller
Official title: by suction roller
B65H20/12 (Advancing webs: by suction roller) appears on 84 US grants and 60 published applications in this corpus.
Search patents in B65H- Granted patents
- 84
- Published applications
- 60
- Assignees
- 71
- Inventors
- 214
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 1 |
| 2003 | 2 | 1 |
| 2004 | 3 | 2 |
| 2005 | 0 | 2 |
| 2006 | 1 | 4 |
| 2007 | 2 | 3 |
| 2008 | 1 | 0 |
| 2009 | 2 | 0 |
| 2010 | 3 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 2 |
| 2013 | 1 | 3 |
| 2014 | 1 | 1 |
| 2015 | 2 | 3 |
| 2016 | 2 | 2 |
| 2017 | 1 | 6 |
| 2018 | 7 | 3 |
| 2019 | 9 | 4 |
| 2020 | 2 | 5 |
| 2021 | 1 | 1 |
| 2022 | 4 | 2 |
| 2023 | 1 | 4 |
| 2024 | 0 | 7 |
| 2025 | 3 | 1 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Web conveying device, image forming apparatus, and conveying roller capable of efficiently sucking air that enters between web and conveying roller12 May 2026US 12,623,875 B2KYOCERA Document Solutions Inc.
- Suction roll of a web, or sheet, of paper in a paper converting machine5 May 2026US 12,617,644 B2KöRber Tissue Fold S.R.L.
- Splice mechanism for a packaging assembly10 Feb 2026US 12,545,456 B2TNA Australia Pty Limited
- Sheet conveyance apparatus30 Dec 2025US 12,509,318 B2Honda Motor Co., Ltd.
- Transfer adhesive wheel device of online adhesive pasting mechanism, control method, assembly and mechanism25 Nov 2025US 12,479,684 B2Jiangsu Katop Automation Co., Ltd
- Sheet conveying apparatus25 Sep 2025US 2025/0296796 A1Jtekt Corporation
- Vacuum processing system, apparatus and method for transporting a thin film substrate12 Dec 2024US 2024/0409350 A1
- Electrode Manufacturing Apparatus21 Nov 2024US 2024/0383712 A1LG Energy Solution, Ltd.
- Avoidance of Scratches on the Film3 Oct 2024US 2024/0326315 A1Windmoller & Holscher
- Web conveying device, image forming apparatus, and conveying roller capable of efficiently sucking air that enters between web and conveying roller27 Jun 2024US 2024/0208754 A1KYOCERA Document Solutions Inc.
Most cited
By later US patents
- High speed vacuum porting70US 7,533,709 B2Curt G. Joa, Inc. · 2009
- Vacuum roller44US 4,207,998 ABachofen + Meier AG Maschinenfabrik · 1980
- Rotary drum for processing sheet materials24US 4,437,659 AInternational Business Machines Corporation · 1984
- Suction roll and method for applying a negative pressure over a sector of a roll24US 4,693,784 AValmet Corporation · 1987
- Conveying continous web having cross-direction tension20US 5,552,007 AKimberly-Clark Corporation · 1996