B41J 7/56
Summation devices for mechanical movements
B41J7/56 (Summation devices for mechanical movements) appears on 14 US grants and 3 published applications in this corpus.
Search patents in B41J- Granted patents
- 14
- Published applications
- 3
- Assignees
- 10
- Inventors
- 21
- Latest grant
- 13 Dec 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 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 | 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 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 2 | 2 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Mechanism for coupling independent gear trains and associated printing device13 Dec 2022US 11,524,508 B2Illinois Tool Works Inc.
- Transmissions with retention noses12 Nov 2019US 10,471,737 B2Hewlett-Packard Development Company, L. P.
- Transmissions with retention noses11 Jun 2019US 10,315,439 B2Hewlett-Packard Development Company, L. P.
- Character set printing means utilizing rolling pressure contact for printing24 Sep 1985US 4,542,998 ANCR Corporation
- Serial printer3 Jan 1984US 4,423,972 AAlps Electric Co., Ltd.
- Mechanism for coupling independent gear trains and associated printing device23 Sep 2021US 2021/0291557 A1Illinois Tool Works Inc.
- Transmissions with retention noses14 Mar 2019US 2019/0077167 A1Hewlett-Packard Development Company, L. P.
- Transmissions with retention noses17 Jan 2019US 2019/0016155 A1Hewlett-Packard Development Company, L. P.
Most cited
By later US patents
- Ball and groove motion converting apparatus and typewriter selection apparatus embodying same6US 3,983,984 AInternational Business Machines Corporation · 1976
- Electromagnetically operated printer4US 3,941,228 AFirma Precisa AG Rechenmaschinenfabrik · 1976
- Selector system for a type-bearing element of an office machine4US 3,957,149 AIng. C. Olivetti & C., S.p.A. · 1976
- Serial printer4US 4,423,972 AAlps Electric Co., Ltd. · 1984
- Character set printing means utilizing rolling pressure contact for printing4US 4,542,998 ANCR Corporation · 1985