B65H 2511/52
Defective operating conditions
B65H2511/52 (Defective operating conditions) appears on 939 US grants and 897 published applications in this corpus.
Search patents in B65H- Granted patents
- 939
- Published applications
- 897
- Assignees
- 261
- Inventors
- 1,813
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 9 | 0 |
| 1991 | 11 | 0 |
| 1992 | 9 | 0 |
| 1993 | 9 | 0 |
| 1994 | 13 | 0 |
| 1995 | 15 | 0 |
| 1996 | 16 | 0 |
| 1997 | 9 | 0 |
| 1998 | 17 | 0 |
| 1999 | 14 | 0 |
| 2000 | 13 | 0 |
| 2001 | 11 | 1 |
| 2002 | 13 | 16 |
| 2003 | 15 | 19 |
| 2004 | 22 | 27 |
| 2005 | 11 | 32 |
| 2006 | 16 | 25 |
| 2007 | 22 | 32 |
| 2008 | 25 | 40 |
| 2009 | 18 | 41 |
| 2010 | 34 | 34 |
| 2011 | 31 | 46 |
| 2012 | 41 | 40 |
| 2013 | 46 | 28 |
| 2014 | 49 | 57 |
| 2015 | 42 | 42 |
| 2016 | 35 | 37 |
| 2017 | 40 | 40 |
| 2018 | 43 | 40 |
| 2019 | 41 | 40 |
| 2020 | 29 | 55 |
| 2021 | 34 | 43 |
| 2022 | 36 | 48 |
| 2023 | 48 | 33 |
| 2024 | 30 | 40 |
| 2025 | 30 | 25 |
| 2026 | 23 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B65H 2511/528JamIndexing code322
- B65H 2511/524Multiple articlesIndexing code317
- B65H 2511/521Presence of foreign object or undesirable material, i.e. material of another natureIndexing code80
- B65H 2511/522Folds or misfoldingIndexing code45
- B65H 2511/529Number thereof, frequency of occurrenceIndexing code40
Recent patents
- Media conveying apparatus29 Sep 2026US 12,747,122 B2Pfu Limited
- Image forming apparatus and information processing system14 Jul 2026US 12,679,682 B2FUJIFILM Business Innovation Corp.
- Media conveying apparatus and image forming apparatus14 Jul 2026US 12,679,686 B2Ricoh Company, Ltd.
- Medium transport device and image reading device16 Jun 2026US 12,654,969 B2Seiko Epson Corporation
- Medium supply device and image forming apparatus2 Jun 2026US 12,643,756 B2FUJIFILM Business Innovation Corp.
- Rolled material, method, and device1 Oct 2026US 2026/0296820 A1Robert Bosch GmbH
- 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
- Apparatus and method for inspecting stacking equipment6 Aug 2026US 2026/0228878 A1Samsung SDI.Co., Ltd.
- Medium transport device, image reading device, and control method for medium transport device23 Jul 2026US 2026/0208989 A1Seiko Epson Corporation
Most cited
By later US patents
- Magnetic clutch with adjustable slip torque82US 5,158,279 AXerox Corporation · 1992
- Paper currency dispenser friction picker mechanism60US 4,494,747 ADiebold, Incorporated · 1985
- Apparatus for handling sheets37US 5,735,516 AMars, Incorporated · 1998
- Managing system in image forming apparatus35US 5,548,376 ARicoh Company, Ltd. · 1996
- Malfunction display system for electrophotographic copying machines34US 4,176,941 AVan Dyk Research Corporation · 1979