B65H 75/4449
Arrangements or adaptations to avoid movable contacts or rotary couplings
Official title: {Arrangements or adaptations to avoid movable contacts or rotary couplings, e.g. by the use of an expansion chamber for a lenght of the cord or hose}
B65H75/4449 (Arrangements or adaptations to avoid movable contacts or rotary couplings) appears on 147 US grants and 121 published applications in this corpus.
Search patents in B65H- Granted patents
- 147
- Published applications
- 121
- Assignees
- 98
- Inventors
- 242
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 1 |
| 2002 | 8 | 4 |
| 2003 | 3 | 3 |
| 2004 | 3 | 5 |
| 2005 | 3 | 2 |
| 2006 | 4 | 1 |
| 2007 | 2 | 3 |
| 2008 | 1 | 1 |
| 2009 | 2 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 3 |
| 2012 | 2 | 6 |
| 2013 | 3 | 6 |
| 2014 | 8 | 10 |
| 2015 | 3 | 4 |
| 2016 | 9 | 6 |
| 2017 | 6 | 7 |
| 2018 | 5 | 4 |
| 2019 | 5 | 9 |
| 2020 | 6 | 5 |
| 2021 | 3 | 7 |
| 2022 | 7 | 8 |
| 2023 | 4 | 6 |
| 2024 | 8 | 7 |
| 2025 | 8 | 7 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Coiler1 Sep 2026US 12,722,934 B2
- Reel apparatus for winding, storing, and dispensing a length of a tie-down strap, or the like25 Aug 2026US 12,715,728 B2
- Belt retractor, bag using belt retractor, and helmet30 Jun 2026US 12,667,174 B2Edison Lab. Co., Ltd.
- Compact high fidelity reel18 Nov 2025US RE50,662 E1Cable Retractors LLC
- Winding drum and torsion spring for a winding drum11 Nov 2025US 12,466,693 B2Igus GmbH
- Motorized cable retractor14 May 2026US 2026/0131997 A1Crestron Electronics, Inc.
- Wire body winding mechanism and data cable device7 May 2026US 2026/0125239 A1Anker Innovations Technology Co., Ltd.
- Motorized cable retractor30 Apr 2026US 2026/0116698 A1Crestron Electronics, Inc.
- Telescopic data line2 Oct 2025US 2025/0309629 A1Shenzhen Baseus Technology Co., Ltd
- Winding unit for a cable28 Aug 2025US 2025/0270067 A1
Most cited
By later US patents
- Self-storing cord and hose reel assemblies219US 4,384,688 A1983
- Retractable cord device181US 6,616,080 B1Speculative Product Design, LLC · 2003
- Disposable retractable surgical instrument118US 5,074,863 A1991
- Retractable reel assembly for telephone extension cord118US 5,094,396 A1992
- Retractable reel assembly for telephone extension cord103US 4,989,805 A1991