B65H 2553/30
Sensing or detecting means: using acoustic or ultrasonic elements
Official title: using acoustic or ultrasonic elements
B65H2553/30 (Sensing or detecting means: using acoustic or ultrasonic elements) appears on 291 US grants and 310 published applications in this corpus.
Search patents in B65H- Granted patents
- 291
- Published applications
- 310
- Assignees
- 121
- Inventors
- 555
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 1 |
| 2002 | 4 | 5 |
| 2003 | 9 | 7 |
| 2004 | 3 | 7 |
| 2005 | 3 | 11 |
| 2006 | 9 | 7 |
| 2007 | 4 | 9 |
| 2008 | 9 | 10 |
| 2009 | 3 | 9 |
| 2010 | 10 | 7 |
| 2011 | 5 | 15 |
| 2012 | 7 | 8 |
| 2013 | 17 | 13 |
| 2014 | 21 | 27 |
| 2015 | 12 | 7 |
| 2016 | 8 | 14 |
| 2017 | 13 | 10 |
| 2018 | 12 | 11 |
| 2019 | 12 | 21 |
| 2020 | 6 | 19 |
| 2021 | 19 | 18 |
| 2022 | 14 | 19 |
| 2023 | 11 | 15 |
| 2024 | 20 | 21 |
| 2025 | 22 | 14 |
| 2026 | 10 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Medium transport device and image reading device22 Sep 2026US 12,741,837 B2Seiko Epson Corporation
- Sheet conveying device, automatic document feeder, and image forming apparatus1 Sep 2026US 12,722,926 B2Ricoh Company, Ltd.
- Sheet conveying device, automatic document feeder, and image forming apparatus25 Aug 2026US 12,715,724 B2Ricoh Company, Ltd.
- Image forming apparatus, method for processing information relating to sheet, and recording medium28 Jul 2026US 12,692,113 B2Konica Minolta, Inc.
- Medium transport device and image reading device16 Jun 2026US 12,654,969 B2Seiko Epson Corporation
- Sheet conveying device and image forming apparatus6 Aug 2026US 2026/0225838 A1Etria Co., Ltd.
- Medium transport device and image reading device6 Aug 2026US 2026/0225839 A1Seiko Epson Corporation
- Paper jam indication estimation device, paper jam indication estimation method, and recording medium25 Jun 2026US 2026/0176094 A1Panasonic Intellectual Property Corporation of America
- Ultrasonic device, multi-feed detector, conveying device, and scanner14 May 2026US 2026/0135958 A1Seiko Epson Corporation
- Ultrasonic Device, Multi-Feed Detector, Transport Device, And Scanner1 Jan 2026US 2026/0003088 A1Seiko Epson Corporation
Most cited
By later US patents
- Continuous web printing press with page cutting control apparatus and method71US 5,458,062 A1995
- Multiple sheet detecting apparatus42US 4,066,969 AEastman Kodak Company · 1978
- Systems and methods for automatically detecting a number of remaining sheets of print media31US 6,585,344 B2Hewlett-Packard Development Company, L. P. · 2003
- Ultrasonic edge sensor for the detection of a web edge29US 5,803,334 AErhardt & Leimer GmbH · 1998
- Methods and apparatus for conveying a glass ribbon29US 9,878,934 B2Corning Incorporated · 2018