D21H 23/54
Rubbing devices
Official title: Rubbing devices, e.g. brush, pad, felt
D21H23/54 (Rubbing devices) appears on 10 US grants and 4 published applications in this corpus.
Search patents in D21H- Granted patents
- 10
- Published applications
- 4
- Assignees
- 9
- Inventors
- 21
- Latest grant
- 10 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Coated paper substrate suitable for metallization10 Jun 2025US 12,325,960 B2Stora Enso OYJ
- Device for non-destructive transforming of paper10 Dec 2024US 12,163,292 B2
- Powder-coated support and production method thereof18 Mar 2008US 7,344,778 B2FUJIFILM Corporation
- Gravure paper and manufacturing process for this paper23 Jul 2002US 6,423,181 B1Voith Sulzer Papiertechnik Patent GmbH
- Paper coating apparatus21 Jul 1998US 5,783,043 A
- Device for non-destructive transforming of paper15 Feb 2024US 2024/0052575 A1The UnWipe Company Inc.
- Coated paper substrate suitable for metallization27 Apr 2023US 2023/0131438 A1Stora Enso OYJ
- Powder-coated support and production method thereof25 Mar 2004US 2004/0058166 A1Fuji Photo Film Co., Ltd.
- Method of applying treatment chemicals to a fiber-based planar product via a revolving belt and planar products made using said method2 Jan 2003US 2003/0000668 A1
Most cited
By later US patents
- Coating process32US 4,741,918 ATribohesion Limited · 1988
- Apparatus for coating jet milled particulates onto a substrate by use of a rotatable applicator7US 5,494,520 AXerox Corporation · 1996
- Gravure paper and manufacturing process for this paper5US 6,423,181 B1Voith Sulzer Papiertechnik Patent GmbH · 2002
- Apparatus for coating traveling webs of paper or cardboard4US 5,466,292 AJ. M. Voith GmbH · 1995
- Apparatus for applying a liquid or pasty medium onto a moving material web4US 5,683,509 AVoith Sulzer Papiermaschinen GmbH · 1997