B41J 33/18
By ratchet mechanism
Official title: by ratchet mechanism (B41J33/30 takes precedence)
B41J33/18 (By ratchet mechanism) appears on 15 US grants and 1 published applications in this corpus.
Search patents in B41J- Granted patents
- 15
- Published applications
- 1
- Assignees
- 17
- Inventors
- 20
- Latest grant
- 1 Nov 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Printer1 Nov 2016US 9,481,183 B2Citizen Holdings Co., Ltd.
- Apparatus for driving a ribbon of a printer2 Mar 1999US 5,876,130 ASamsung Electro-Mechanics Co., Ltd.
- Cartridge including tension means for a typewriter correction ribbon16 Apr 1991US 5,007,749 AIng. C. Olivetti & C., S.p.A.
- Ribbon forwarding apparatus of impact type printer6 Nov 1990US 4,968,162 ASharp Kabushiki Kaisha
- Tape cassette for metering correction tape feed12 Dec 1989US 4,886,383 ASmith Corona Corporation
Most cited
By later US patents
- Ribbon cartridge with self-contained ratchet and drive gear assembly15US 4,615,628 AShape Corp. · 1986
- Correction feed mechanism in a correction tape cartridge15US 4,616,945 AInternational Business Machines Corporation · 1986
- Cartridge including tension means for a typewriter correction ribbon9US 5,007,749 AIng. C. Olivetti & C., S.p.A. · 1991
- Ribbon drive mechanism8US 4,395,149 ASCM Corporation · 1983
- Drive mechanism for printer5US 4,175,876 AKabushiki Kaisha Suwa Seikosha · 1979