B41J 2/1429
Of tubular type
Official title: {of tubular type}
B41J2/1429 (Of tubular type) appears on 54 US grants and 27 published applications in this corpus.
Search patents in B41J- Granted patents
- 54
- Published applications
- 27
- Assignees
- 24
- Inventors
- 117
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 6 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 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 | 1 |
| 2003 | 0 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 1 | 1 |
| 2014 | 2 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 2 | 3 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 2 | 6 |
| 2021 | 5 | 0 |
| 2022 | 0 | 2 |
| 2023 | 0 | 0 |
| 2024 | 2 | 2 |
| 2025 | 0 | 3 |
| 2026 | 4 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Liquid discharge head, liquid discharge unit, and liquid discharge apparatus25 Aug 2026US 12,715,213 B2Ricoh Company, Ltd.
- Liquid discharge head and liquid discharge apparatus28 Jul 2026US 12,691,675 B2Ricoh Company, Ltd.
- Liquid discharge module, liquid discharge head, and liquid discharge apparatus14 Jul 2026US 12,679,093 B2Ricoh Company, Ltd.
- Liquid discharge head and liquid discharge apparatus14 Apr 2026US 12,600,144 B2Ricoh Company, Ltd.
- Method and apparatus for dispensing liquid droplets2 Apr 2024US 11,945,220 B2Jetronica Limited
- Liquid discharge head and liquid discharge apparatus4 Dec 2025US 2025/0367920 A1Ricoh Company, Ltd.
- Liquid discharge head, head unit, and liquid discharge apparatus22 May 2025US 2025/0162317 A1
- Liquid discharge module, liquid discharge head, and liquid discharge apparatus30 Jan 2025US 2025/0033356 A1Ricoh Company, Ltd.
- Liquid discharge head and liquid discharge apparatus15 Aug 2024US 2024/0269988 A1Ricoh Company, Ltd.
- Liquid discharge head, liquid discharge unit, and liquid discharge apparatus20 Jun 2024US 2024/0198673 A1Ricoh Company, Ltd.
Most cited
By later US patents
- Piezoelectric operated printer head for ink-operated mosaic printer units77US 4,158,847 ASiemens Aktiengesellschaft · 1979
- Ink jet printing method and device64US 4,546,361 AIng. C. Olivetti & C., S.p.A. · 1985
- Ink jet apparatus with a flexible piezoelectric member and method of operating same39US 4,395,719 AExxon Research & Engineering Co. · 1983
- Piezoelectric printing head for ink jet printer, and method34US 4,504,845 ASiemens Aktiengesellschaft · 1985
- Miniature ink jet nozzle26US 3,972,474 AA. B. Dick Company · 1976