B41J 23/02
Mechanical power drives
B41J23/02 (Mechanical power drives) appears on 491 US grants and 342 published applications in this corpus.
Search patents in B41J- Granted patents
- 491
- Published applications
- 342
- Assignees
- 101
- Inventors
- 680
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 9 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 13 | 0 |
| 1993 | 8 | 0 |
| 1994 | 4 | 0 |
| 1995 | 11 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 17 | 0 |
| 1999 | 13 | 0 |
| 2000 | 12 | 0 |
| 2001 | 13 | 7 |
| 2002 | 11 | 5 |
| 2003 | 12 | 9 |
| 2004 | 11 | 31 |
| 2005 | 14 | 34 |
| 2006 | 24 | 15 |
| 2007 | 22 | 25 |
| 2008 | 18 | 22 |
| 2009 | 16 | 19 |
| 2010 | 19 | 18 |
| 2011 | 23 | 12 |
| 2012 | 16 | 10 |
| 2013 | 18 | 18 |
| 2014 | 15 | 14 |
| 2015 | 18 | 11 |
| 2016 | 15 | 14 |
| 2017 | 12 | 10 |
| 2018 | 14 | 22 |
| 2019 | 17 | 14 |
| 2020 | 13 | 7 |
| 2021 | 7 | 5 |
| 2022 | 3 | 1 |
| 2023 | 1 | 8 |
| 2024 | 3 | 6 |
| 2025 | 9 | 2 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B41J 23/025Using a single or common power source for two or more functions282
- B41J 23/04With driven mechanism arranged to be clutched to continuously- operating power source32
- B41J 23/14Mechanism driven by through an oscillating or reciprocating member20
- B41J 23/12Mechanism driven by cams engaging rotating roller12
- B41J 23/18Continuously-cycling drives4
- B41J 23/16Mechanisms driven by a spring tensioned by power means1
Recent patents
- Printing apparatus15 Sep 2026US 12,734,836 B2Canon Kabushiki Kaisha
- Recording apparatus and method of reading recorded image in recording apparatus23 Jun 2026US 12,661,909 B2Seiko Epson Corporation
- Maintenance device, liquid ejecting device, and maintenance method for liquid ejecting device17 Feb 2026US 12,552,168 B2Seiko Epson Corporation
- Power transmission apparatus, medium transport apparatus, recording apparatus, control method of power transmission apparatus, and control method of medium transport apparatus10 Feb 2026US 12,545,534 B2Seiko Epson Corporation
- Portable printer and portable printing system30 Dec 2025US 12,508,820 B2LG H&H Co., Ltd.
- Recording apparatus13 Aug 2026US 2026/0233541 A1Seiko Epson Corporation
- Recording device21 May 2026US 2026/0138384 A1Seiko Epson Corporation
- Medium conveyance device and electronic equipment23 Apr 2026US 2026/0109159 A1Seiko Epson Corporation
- Liquid ejecting apparatus27 Nov 2025US 2025/0360714 A1Seiko Epson Corporation
- Print system28 Aug 2025US 2025/0269671 A1Brother Kogyo Kabushiki Kaisha
Most cited
By later US patents
- Method for refilling liquid into a liquid reservoir container, a liquid jet recording apparatus using such method, a liquid refilling container, a liquid reservoir container, and a head cartridge128US 6,022,102 ACanon Kabushiki Kaisha · 2000
- A recording medium feed mechanism and maintenance mechanism, having a common drive source, for an ink jet printer124US 5,831,644 ABrother Kogyo Kabushiki Kaisha · 1998
- Ink cartridge for compact printer system119US 6,238,043 B1Silverbrook Research Pty Ltd · 2001
- Memory module for compact printer system109US 6,553,459 B1Silverbrook Research Pty Ltd · 2003
- Timer module for compact printer system103US 6,903,766 B1Silverbrook Research Pty Ltd · 2005