G03G 15/11
Removing excess liquid developer
Official title: Removing excess liquid developer, e.g. by heat
G03G15/11 (Removing excess liquid developer) appears on 437 US grants and 262 published applications in this corpus.
Search patents in G03G- Granted patents
- 437
- Published applications
- 262
- Assignees
- 78
- Inventors
- 658
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 8 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 9 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 10 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 8 | 0 |
| 1996 | 12 | 0 |
| 1997 | 6 | 0 |
| 1998 | 16 | 0 |
| 1999 | 21 | 0 |
| 2000 | 17 | 0 |
| 2001 | 24 | 7 |
| 2002 | 18 | 12 |
| 2003 | 15 | 5 |
| 2004 | 8 | 13 |
| 2005 | 7 | 17 |
| 2006 | 10 | 12 |
| 2007 | 12 | 13 |
| 2008 | 7 | 5 |
| 2009 | 7 | 13 |
| 2010 | 9 | 10 |
| 2011 | 7 | 6 |
| 2012 | 7 | 10 |
| 2013 | 7 | 7 |
| 2014 | 11 | 12 |
| 2015 | 12 | 15 |
| 2016 | 19 | 14 |
| 2017 | 13 | 9 |
| 2018 | 9 | 15 |
| 2019 | 16 | 17 |
| 2020 | 19 | 22 |
| 2021 | 14 | 14 |
| 2022 | 10 | 4 |
| 2023 | 1 | 5 |
| 2024 | 5 | 4 |
| 2025 | 2 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Identification of gas conveyance malfunctions7 Apr 2026US 12,596,321 B2Hewlett-Packard Development Company, L. P.
- Force adjustment arrangement16 Dec 2025US 12,498,653 B2Hewlett-Packard Development Company, L. P.
- Developer roller21 Jan 2025US 12,204,260 B2Hewlett-Packard Development Company, L. P.
- Printer with airflow module12 Nov 2024US 12,140,886 B2Hewlett-Packard Development Company, L. P.
- Intermediate transfer member cleaning1 Oct 2024US 12,105,448 B2Hewlett-Packard Development Company, L. P.
- Lep printing device bid assembly constant current mode27 Aug 2026US 2026/0252002 A1Hewlett-Packard Development Company, L. P.
- Imaging oil cleaner for an lep printer12 Dec 2024US 2024/0408617 A1Hewlett-Packard Development Company, L. P.
- Identification of gas conveyance malfunctions12 Dec 2024US 2024/0411258 A1Hewlett-Packard Development Company, L. P.
- Gas evaporation and flame extinguishment9 May 2024US 2024/0149084 A1Hewlett-Packard Development Company, L. P.
- Intermediate transfer member cleaning11 Jan 2024US 2024/0012346 A1Hewlett-Packard Development Company, L. P.
Most cited
By later US patents
- Method and apparatus for removing excess developing liquid from photoconductive surfaces148US 4,286,039 ASavin Corporation · 1981
- Liquid ink electrostatic image development system111US 5,383,008 AXerox Corporation · 1995
- Electrophotographic apparatus including a plurality of developing agent image forming units and a method of forming an electrophotographic image107US 6,336,021 B12002
- Intermediate transfer apparatus88US 4,684,238 AXerox Corporation · 1987
- Printing system58US 6,438,352 B1Indigo N.V. · 2002