B65H 2403/70
Clutches
Official title: Clutches; Couplings
B65H2403/70 (Clutches) appears on 879 US grants and 875 published applications in this corpus.
Search patents in B65H- Granted patents
- 879
- Published applications
- 875
- Assignees
- 316
- Inventors
- 1,689
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 8 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 10 | 0 |
| 2000 | 9 | 0 |
| 2001 | 16 | 8 |
| 2002 | 25 | 24 |
| 2003 | 26 | 30 |
| 2004 | 22 | 31 |
| 2005 | 14 | 32 |
| 2006 | 15 | 21 |
| 2007 | 23 | 22 |
| 2008 | 18 | 38 |
| 2009 | 20 | 27 |
| 2010 | 19 | 27 |
| 2011 | 40 | 54 |
| 2012 | 46 | 46 |
| 2013 | 52 | 52 |
| 2014 | 53 | 37 |
| 2015 | 43 | 53 |
| 2016 | 35 | 37 |
| 2017 | 47 | 42 |
| 2018 | 38 | 37 |
| 2019 | 38 | 50 |
| 2020 | 29 | 27 |
| 2021 | 31 | 32 |
| 2022 | 21 | 35 |
| 2023 | 32 | 24 |
| 2024 | 26 | 42 |
| 2025 | 30 | 32 |
| 2026 | 22 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Skew correction device and medium processing apparatus22 Sep 2026US 12,741,839 B2Seiko Epson Corporation
- Sheet conveyance apparatus and image forming apparatus18 Aug 2026US 12,709,504 B2Canon Kabushiki Kaisha
- Drive transmission device and image forming apparatus incorporating the same18 Aug 2026US 12,709,506 B2Ricoh Company, Ltd.
- Power transmission structure of media separation unit18 Aug 2026US 12,709,514 B2Hyosung Tns Inc.
- Input handling for media processing devices11 Aug 2026US 12,703,591 B2Zebra Technologies Corporation
- Apparatus for arranging elongated elements to be used in a process for building tyres for vehicle wheels6 Aug 2026US 2026/0225335 A1Pirelli Tyre S. P. A.
- Plant for building tyres for vehicle wheels6 Aug 2026US 2026/0225337 A1Pirelli Tyre S. P. A.
- Medium feeding device, recording device, feeding roller unit, and method of controlling recording device23 Jul 2026US 2026/0208987 A1Seiko Epson Corporation
- Medium conveyance apparatus and image reading apparatus23 Jul 2026US 2026/0214171 A1Seiko Epson Corporation
- Medium feeding apparatus, recording apparatus, and control method for recording apparatus2 Jul 2026US 2026/0184522 A1Seiko Epson Corporation
Most cited
By later US patents
- Web accumulator93US 4,009,814 AScott Paper Company · 1977
- Fiber optic cable protective apparatus83US 7,369,739 B2Fiber Optic Protection Systems, Inc. · 2008
- Magnetic clutch with adjustable slip torque82US 5,158,279 AXerox Corporation · 1992
- Web material application methods and systems64US 7,172,666 B22007
- Plastic card reorienting mechanism and interchangeable input hopper59US 7,398,972 B2DataCard Corporation · 2008