B41J 2002/17583
Using vibration or ultra-sons for ink level indication
Official title: {using vibration or ultra-sons for ink level indication}
B41J2002/17583 (Using vibration or ultra-sons for ink level indication) appears on 69 US grants and 76 published applications in this corpus.
Search patents in B41J- Granted patents
- 69
- Published applications
- 76
- Assignees
- 14
- Inventors
- 93
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 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 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 10 |
| 2003 | 1 | 5 |
| 2004 | 8 | 6 |
| 2005 | 0 | 3 |
| 2006 | 6 | 11 |
| 2007 | 11 | 9 |
| 2008 | 7 | 4 |
| 2009 | 1 | 10 |
| 2010 | 5 | 0 |
| 2011 | 7 | 1 |
| 2012 | 3 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 4 |
| 2021 | 3 | 3 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Liquid ejection apparatus and determination method capable of determining whether or not liquid filling of pressure chamber has been completed21 Oct 2025US 12,447,741 B2KYOCERA Document Solutions Inc.
- Apparatus and method for inspecting droplet14 Feb 2023US 11,577,506 B2Semes Co., Ltd.
- Printing agent containers12 Apr 2022US 11,298,949 B2Hewlett-Packard Development Company, L. P.
- Replaceable print apparatus components comprising memory28 Dec 2021US 11,207,892 B2Hewlett-Packard Development Company, L. P.
- Printer28 Sep 2021US 11,130,347 B2Seiko Epson Corporation
- Liquid ejection apparatus and determination method capable of determining whether or not liquid filling of pressure chamber has been completed4 Apr 2024US 2024/0109308 A1KYOCERA Document Solutions Inc.
- Inkjet Ink System for Handling High Solid Particles Loaded Inks8 Jun 2023US 2023/0173818 A1Ferro Corporation
- Apparatus and method for inspecting droplet10 Mar 2022US 2022/0072848 A1Semes Co., Ltd.
- Fluid level sensors24 Jun 2021US 2021/0190574 A1Hewlett-Packard Development Company, L. P.
- Container for fluid6 May 2021US 2021/0129548 A1Hewlett-Packard Development Company, L. P.
Most cited
By later US patents
- Liquid detecting piezoelectric device, liquid container and mounting module member72US 6,470,744 B1Seiko Epson Corporation · 2002
- Resonator sensors employing piezoelectric benders for fluid property sensing70US 6,044,694 AVideojet Systems International, Inc. · 2000
- Liquid container having liquid consumption detecting device55US 6,536,861 B1Seiko Epson Corporation · 2003
- Ultrasonic method for monitoring inkjet cartridge levels39US 5,774,136 AHewlett-Packard Company · 1998
- Liquid container having a liquid detecting device39US 6,799,820 B1Seiko Epson Corporation · 2004