F16G 15/04
Quickly-detachable chain couplings
Official title: Quickly-detachable chain couplings; Shackles {chain links with rapid junction means are classified according to the corresponding kind of chain}
F16G15/04 (Quickly-detachable chain couplings) appears on 284 US grants and 201 published applications in this corpus.
Search patents in F16G- Granted patents
- 284
- Published applications
- 201
- Assignees
- 165
- Inventors
- 423
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 6 | 0 |
| 1978 | 11 | 0 |
| 1979 | 6 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 3 | 1 |
| 2004 | 2 | 1 |
| 2005 | 1 | 3 |
| 2006 | 3 | 5 |
| 2007 | 1 | 0 |
| 2008 | 2 | 1 |
| 2009 | 2 | 3 |
| 2010 | 3 | 4 |
| 2011 | 3 | 9 |
| 2012 | 7 | 8 |
| 2013 | 8 | 13 |
| 2014 | 6 | 11 |
| 2015 | 15 | 14 |
| 2016 | 15 | 10 |
| 2017 | 5 | 14 |
| 2018 | 17 | 10 |
| 2019 | 15 | 14 |
| 2020 | 8 | 16 |
| 2021 | 11 | 10 |
| 2022 | 9 | 11 |
| 2023 | 9 | 10 |
| 2024 | 13 | 12 |
| 2025 | 13 | 14 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Kite system6 Oct 2026US 12,752,894 B2SkySails Power GmbH
- Systems and methods for a dual hook flat strap attachment device and accessories9 Jun 2026US 12,650,156 B2
- Soft shackle with locking mechanism26 May 2026US 12,638,064 B2Samson Rope Technologies
- Shackle3 Feb 2026US 12,540,655 B2Rope Camp Co., Ltd.
- Rope having an end connector segment comprising two rope-branches with unequal lengths14 Oct 2025US 12,442,133 B2Lankhorst Touwfabrieken B. V.
- Ring Block13 Aug 2026US 2026/0233663 A1pewag austria GmbH
- Shackles30 Jul 2026US 2026/0218777 A1International Safety Components Ltd
- Slip hook for chain21 May 2026US 2026/0139727 A1
- Lightweight and flexible load bearing shackle utilizing a plurality of loops of fiber rope as a bow14 May 2026US 2026/0132839 A1Chant Engineering Co. Inc.
- Coupling block element for a kenter shackle, formed from two half elements which can be pushed into one another, for anchor chains19 Feb 2026US 2026/0049646 A1Royal Van Beest Group B.V.
Most cited
By later US patents