B41J 23/20
Fluid-pressure power drives
B41J23/20 (Fluid-pressure power drives) appears on 8 US grants and 5 published applications in this corpus.
Search patents in B41J- Granted patents
- 8
- Published applications
- 5
- Assignees
- 10
- Inventors
- 18
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 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 | 1 | 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 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Liquid discharge system8 Sep 2026US 12,728,640 B2Ricoh Company, Ltd.
- Isolated print medium dispenser5 Dec 2023US 11,833,843 B2Asmpt Smt Singapore Pte. Ltd.
- Printing apparatus for printed electronics23 Aug 2022US 11,420,219 B2Protec Co., Ltd.
- Printer carriage arrangements5 Jul 2022US 11,376,877 B2Hewlett-Packard Development Company, L. P.
- Method and apparatus for advancing a carriage by fluid displacement9 Nov 1993US 5,260,722 AEastman Kodak Company
- Liquid discharge system5 Jun 2025US 2025/0178349 A1Ricoh Company, Ltd.
- Ink-jet recording apparatus5 Oct 2023US 2023/0311479 A1KYOCERA Document Solutions Inc.
- Isolated print medium dispenser3 Feb 2022US 2022/0032667 A1Asm Assembly Systems Singapore Pte. Ltd.
- Printer carriage arrangements11 Nov 2021US 2021/0347188 A1Hewlett-Packard Development Company, L. P.
- Printing apparatus for printed electronics31 Oct 2019US 2019/0329274 A1Protec Co., Ltd.
Most cited
By later US patents
- Fluid impulse matrix printer10US 4,128,345 AUniversal Technology, Inc. · 1978
- Magnetoresistive transducer apparatus10US 4,447,781 AHoneywell Inc. · 1984
- High speed printer having a pneumatically actuated printing head3US 4,172,671 AFacit Aktiebolag · 1979
- Printing apparatus for printed electronics1US 11,420,219 B2Protec Co., Ltd. · 2022