B41J 9/10
Of more than one hammer
Official title: of more than one hammer, e.g. one for each character position
B41J9/10 (Of more than one hammer) appears on 66 US grants and 1 published applications in this corpus.
Search patents in B41J- Granted patents
- 66
- Published applications
- 1
- Assignees
- 33
- Inventors
- 92
- Latest grant
- 23 Nov 2004
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Line printer with staggered magnetics23 Nov 2004US 6,821,035 B2Printronix, Inc.
- Skipping printer driving method10 Apr 2001US 6,213,013 B1NEC Corporation
- Line printer hammerbank cover with spaced apart thickened sections18 Jul 2000US 6,089,769 APrintronix, Inc.
- Printer and motor having a balanced buck drive12 Jan 1999US 5,857,787 APrinntronix, Inc.
- Integrally driven and balanced line printer10 Nov 1998US 5,832,820 APrintronix, Inc.
Most cited
By later US patents
- Printing apparatus16US 4,051,942 AAlps Electric Co., Ltd. · 1977
- Hammer bank assembly15US 3,983,806 AData Products Corporation · 1976
- Wire printer12US 4,218,149 ASeikosha Co., Ltd. · 1980
- Printer11US 4,189,997 ACanon Kabushiki Kaisha · 1980
- All-points addressable dot printer11US 4,278,019 AInternational Business Machines Corporation · 1981