B41L 23/02
Devices for treating the surfaces of sheets, webs, or other articles in
Official title: by damping, e.g. by moistening copy sheets in connection with hectographic printing
B41L23/02 (Devices for treating the surfaces of sheets, webs, or other articles in) appears on 5 US grants and 2 published applications in this corpus.
Search patents in B41L- Granted patents
- 5
- Published applications
- 2
- Assignees
- 3
- Inventors
- 11
- Latest grant
- 7 Jan 2003
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
- B41L 23/04Using friction rollers2
- B41L 23/14Ducts, containers, or like supply devices for liquids1
- B41L 23/06Using brushes0
- B41L 23/08Using spray elements0
- B41L 23/10Using endless bands0
- B41L 23/12Using absorbent pads0
- B41L 23/16Devices for tripping or lifting damping rollers0
- B41L 23/18Construction of damping rollers0
Recent patents
- Stencil printing machine having moistener mechanism7 Jan 2003US 6,502,506 B2Riso Kagaku Corporation
- Fluid supply and dispensing apparatus19 Jul 1983US 4,393,894 APitney Bowes Inc.
- Transfer-printing apparatus24 Jan 1978US 4,069,754 ATanaka Seiki Co., Ltd.
- Pattern transfer machine26 Apr 1977US 4,019,433 A
- Rotary copying machine11 Jan 1977US 4,002,117 A
Most cited
By later US patents