B41J 2202/02
Air-assisted ejection
B41J2202/02 (Air-assisted ejection) appears on 144 US grants and 99 published applications in this corpus.
Search patents in B41J- Granted patents
- 144
- Published applications
- 99
- Assignees
- 58
- Inventors
- 305
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 1 |
| 2002 | 10 | 2 |
| 2003 | 3 | 1 |
| 2004 | 2 | 3 |
| 2005 | 2 | 2 |
| 2006 | 2 | 0 |
| 2007 | 2 | 0 |
| 2008 | 1 | 4 |
| 2009 | 0 | 5 |
| 2010 | 1 | 1 |
| 2011 | 2 | 4 |
| 2012 | 2 | 3 |
| 2013 | 1 | 7 |
| 2014 | 6 | 4 |
| 2015 | 5 | 4 |
| 2016 | 6 | 6 |
| 2017 | 3 | 1 |
| 2018 | 3 | 8 |
| 2019 | 6 | 6 |
| 2020 | 5 | 3 |
| 2021 | 8 | 9 |
| 2022 | 2 | 5 |
| 2023 | 6 | 9 |
| 2024 | 4 | 5 |
| 2025 | 8 | 4 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Liquid discharge head and liquid discharge apparatus7 Jul 2026US 12,673,490 B2Ricoh Company, Ltd.
- Selective and high-resolution printing of single cells2 Jun 2026US 12,644,113 B2The Regents of the University of California
- Liquid discharge apparatus11 Nov 2025US 12,466,182 B2Ricoh Company, Ltd.
- High-definition aerosol printing using an optimized aerosol distribution and aerodynamic lens system4 Nov 2025US 12,458,996 B2Integrated Deposition Solutions, Inc.
- Fluid ejector4 Nov 2025US 12,459,248 B2Archipelago Technology Group Ltd.
- Method and apparatus for ejecting fluids1 Oct 2026US 2026/0296033 A1Archipelago Technology Group Ltd.
- An actuator component for a droplet ejection head and method for manufacturing the same23 Apr 2026US 2026/0109147 A1
- Electrohydrodynamic print head with distributed feed structure27 Nov 2025US 2025/0360710 A1Scrona AG
- Liquid discharge head, head module, and liquid discharge apparatus25 Sep 2025US 2025/0296318 A1
- Liquid discharge head, head unit, and liquid discharge apparatus25 Sep 2025US 2025/0296343 A1
Most cited
By later US patents
- Ink jet recording apparatus118US 4,736,212 AMatsushita Electric Industrial Co., Ltd. · 1988
- Print head for use in a ballistic aerosol marking apparatus106US 6,116,718 AXerox Corporation · 2000
- Ink jet printer93US 5,376,957 ASigntech USA, Ltd. · 1994
- Ink jet printer and method for fabricating a nozzle member89US 4,728,392 AMatsushita Electric Industrial Co., Ltd. · 1988
- Manufacture of ink jet print heads by diffusion bonding and brazing77US 4,883,219 A1989