B41L 39/02
Indicating devices
Official title: Indicating devices, e.g. counters
B41L39/02 (Indicating devices) appears on 7 US grants and 5 published applications in this corpus.
Search patents in B41L- Granted patents
- 7
- Published applications
- 5
- Assignees
- 4
- Inventors
- 16
- Latest grant
- 6 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 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 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 3 |
| 2020 | 1 | 0 |
| 2021 | 2 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Control device, control method, and system6 May 2025US 12,291,048 B2Seiko Epson Corporation
- Identifying printing substrate types6 Jul 2021US 11,052,682 B2Hewlett-Packard Development Company, L. P.
- Detecting a level of printable fluid in a container30 Mar 2021US 10,960,658 B2Hewlett-Packard Development Company, L. P.
- Illumination source14 Apr 2020US 10,621,479 B2Hewlett-Packard Development Company, L. P.
- Stencil printing machine and printing drum thereof17 Jun 2003US 6,578,477 B2Riso Kagaku Corporation
- Control device, control method, and system4 Jan 2024US 2024/0001699 A1Seiko Epson Corporation
- Illumuniation source1 Aug 2019US 2019/0236421 A1Hewlett-Packard Development Company, L. P.
- Identifying printing substrate types25 Jul 2019US 2019/0224994 A1Hewlett-Packard Development Company, L. P.
- Detecting a level of printable fluid in a container25 Apr 2019US 2019/0118527 A1Hewlett-Packard Development Company, L. P.
- Stencil printing machine and printing drum thereof14 Feb 2002US 2002/0017210 A1Riso Kagaku Corporation
Most cited
By later US patents
- Attachment for offset duplicating machine7US 4,044,666 A1977
- Duplicator machine with means for applying to the copies different markings5US 4,129,073 A1978
- Detecting a level of printable fluid in a container2US 10,960,658 B2Hewlett-Packard Development Company, L. P. · 2021
- Stencil printing machine and printing drum thereof1US 6,578,477 B2Riso Kagaku Corporation · 2003