G03G 21/0052
Using an air flow
Official title: {using an air flow; Details thereof, e.g. nozzle structure}
G03G21/0052 (Using an air flow) appears on 68 US grants and 59 published applications in this corpus.
Search patents in G03G- Granted patents
- 68
- Published applications
- 59
- Assignees
- 19
- Inventors
- 125
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 2 | 2 |
| 2007 | 1 | 1 |
| 2008 | 2 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 2 | 3 |
| 2013 | 1 | 0 |
| 2014 | 1 | 2 |
| 2015 | 3 | 3 |
| 2016 | 6 | 4 |
| 2017 | 1 | 1 |
| 2018 | 3 | 4 |
| 2019 | 2 | 1 |
| 2020 | 2 | 7 |
| 2021 | 4 | 5 |
| 2022 | 6 | 5 |
| 2023 | 3 | 6 |
| 2024 | 5 | 3 |
| 2025 | 3 | 5 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical scanning device and image forming apparatus11 Aug 2026US 12,704,806 B2Canon Kabushiki Kaisha
- Powder conveying device and image forming apparatus21 Jul 2026US 12,687,801 B2FUJIFILM Business Innovation Corp.
- Image forming apparatus having removable fixing portion and filter holder21 Jul 2026US 12,687,812 B2Canon Kabushiki Kaisha
- Image forming apparatus with gas flowing from developing device to supply device through developer channel19 May 2026US 12,631,988 B2FUJIFILM Business Innovation Corp.
- Image forming apparatus28 Apr 2026US 12,613,492 B2Canon Kabushiki Kaisha
- Charger12 Mar 2026US 2026/0072372 A1FUJIFILM Business Innovation Corp.
- Post-processing apparatus and image forming system19 Feb 2026US 2026/0050235 A1FUJIFILM Business Innovation Corp.
- Image forming apparatus4 Dec 2025US 2025/0370379 A1FUJIFILM Business Innovation Corp.
- Toner container30 Oct 2025US 2025/0334920 A1Canon Kabushiki Kaisha
- Pump unit and air supply device28 Aug 2025US 2025/0271789 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Ultrasonic cleaning apparatus for an electrostatographic reproducing machine63US 4,111,546 AXerox Corporation · 1978
- Gas impingement and suction cleaning apparatus32US 4,026,701 AXerox Corporation · 1977
- Electrophotographic device having a.c. biased cleaning member27US 4,875,081 AXerox Corporation · 1989
- Image forming apparatus12US 7,043,172 B2Konica Minolta Business Technologies, Inc. · 2006
- Photographic film cleaner10US 4,395,793 APako Corporation · 1983