F16G 15/00
Chain couplings, shackles
Official title: Chain couplings, Shackles; Chain joints; Chain links; Chain bushes (making chain elements B21L)
F16G15/00 (Chain couplings, shackles) appears on 640 US grants and 409 published applications in this corpus.
Search patents in F16G- Granted patents
- 640
- Published applications
- 409
- Assignees
- 318
- Inventors
- 929
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 13 | 0 |
| 1978 | 22 | 0 |
| 1979 | 10 | 0 |
| 1980 | 9 | 0 |
| 1981 | 9 | 0 |
| 1982 | 6 | 0 |
| 1983 | 8 | 0 |
| 1984 | 11 | 0 |
| 1985 | 14 | 0 |
| 1986 | 15 | 0 |
| 1987 | 14 | 0 |
| 1988 | 6 | 0 |
| 1989 | 13 | 0 |
| 1990 | 10 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 19 | 0 |
| 1995 | 15 | 0 |
| 1996 | 9 | 0 |
| 1997 | 16 | 0 |
| 1998 | 13 | 0 |
| 1999 | 19 | 0 |
| 2000 | 6 | 0 |
| 2001 | 9 | 0 |
| 2002 | 7 | 6 |
| 2003 | 9 | 6 |
| 2004 | 8 | 14 |
| 2005 | 6 | 10 |
| 2006 | 8 | 11 |
| 2007 | 9 | 6 |
| 2008 | 3 | 6 |
| 2009 | 3 | 7 |
| 2010 | 7 | 13 |
| 2011 | 9 | 10 |
| 2012 | 10 | 11 |
| 2013 | 13 | 19 |
| 2014 | 13 | 15 |
| 2015 | 20 | 29 |
| 2016 | 24 | 23 |
| 2017 | 14 | 24 |
| 2018 | 25 | 21 |
| 2019 | 25 | 29 |
| 2020 | 21 | 27 |
| 2021 | 17 | 20 |
| 2022 | 21 | 28 |
| 2023 | 17 | 20 |
| 2024 | 23 | 22 |
| 2025 | 21 | 17 |
| 2026 | 8 | 15 |
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
- Chain16 Jun 2026US 12,655,887 B2J. D. Theile GmbH & Co. KG
- Systems and methods for a dual hook flat strap attachment device and accessories9 Jun 2026US 12,650,156 B2
- Link for a multi-link conveyor chain2 Jun 2026US 12,643,742 B2Pennine Industrial Equipment Limited
- Soft shackle with locking mechanism26 May 2026US 12,638,064 B2Samson Rope Technologies
- Welded chain link with inner seal10 Sep 2026US 2026/0266356 A1Rexnord Brasil Sistemas De TransmissãO E MovimentaçãO Ltda.
- Interlocking chain27 Aug 2026US 2026/0251201 A1Tsubakimoto Chain Co.
- Ring Block13 Aug 2026US 2026/0233663 A1pewag austria GmbH
- Shackles30 Jul 2026US 2026/0218777 A1International Safety Components Ltd
- Double-ended magnetic hook with rotating function and lock9 Jul 2026US 2026/0194104 A1Best-in Trading Company
Most cited
By later US patents
- Threaded hoist ring screw retainer214US 8,201,867 B2MJT Holdings, LLC · 2012
- Swivel coupling device84US 5,248,176 A1993
- Hoist ring with self-lock retaining ring64US 5,352,056 AThe Crosby Group, Inc. · 1994
- Swivel hook assembly55US 5,274,887 AYoshida Kogyo K. K. · 1994
- Snap hook and buckle53US 4,577,374 A1986