B41J 2/31
Using a print element with projections on its surface impacted or impressed
Official title: using a print element with projections on its surface impacted or impressed by hammers
B41J2/31 (Using a print element with projections on its surface impacted or impressed) appears on 24 US grants and 3 published applications in this corpus.
Search patents in B41J- Granted patents
- 24
- Published applications
- 3
- Assignees
- 10
- Inventors
- 30
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 7 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 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 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tattoo practice device and coloring assembly in tattoo practice device22 Sep 2026US 12,741,130 B2
- Tattoo practice device and operation pen using the same16 Dec 2025US 12,496,437 B2
- Printing head structure of calculator having bold characters9 Jun 1998US 5,762,429 AKinpo Electronics, Inc.
- Printer integrated driver and hammerbank28 Apr 1998US 5,743,665 APrintronix, Inc.
- Printer element27 Jan 1998US 5,711,622 ATally Printer Corporation
Most cited
By later US patents
- All-points addressable dot printer11US 4,278,019 AInternational Business Machines Corporation · 1981
- Band and hammer dot matrix printer8US 4,428,284 AInternational Business Machines Corporation · 1984
- Method of determining print starting positions for an impact type dot printer7US 4,448,553 ASeikosha Co., Ltd. · 1984
- Dot matrix printer5US 4,359,937 AInternational Business Machines Corporation · 1982
- Oscillatory band and hammer dot matrix printer5US 4,428,285 AInternational Business Machines Corporation · 1984