F16B 21/186
External, i.e. with contracting action
Official title: {external, i.e. with contracting action}
F16B21/186 (External, i.e. with contracting action) appears on 316 US grants and 292 published applications in this corpus.
Search patents in F16B- Granted patents
- 316
- Published applications
- 292
- Assignees
- 254
- Inventors
- 630
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 8 | 0 |
| 1991 | 9 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 3 |
| 2003 | 4 | 5 |
| 2004 | 6 | 6 |
| 2005 | 4 | 7 |
| 2006 | 0 | 7 |
| 2007 | 4 | 7 |
| 2008 | 3 | 4 |
| 2009 | 3 | 9 |
| 2010 | 7 | 4 |
| 2011 | 3 | 9 |
| 2012 | 5 | 9 |
| 2013 | 6 | 10 |
| 2014 | 7 | 17 |
| 2015 | 9 | 11 |
| 2016 | 10 | 13 |
| 2017 | 12 | 16 |
| 2018 | 14 | 22 |
| 2019 | 21 | 27 |
| 2020 | 23 | 20 |
| 2021 | 15 | 21 |
| 2022 | 17 | 17 |
| 2023 | 19 | 18 |
| 2024 | 18 | 12 |
| 2025 | 16 | 9 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Linear actuators with anti-backdrive mechanisms31 Mar 2026US 12,590,625 B2Brunswick Corporation
- Anti-detachment elastic retaining ring capable of springing back for self-locking and mounting method thereof27 Jan 2026US 12,535,095 B2Kern-Liebers (Taicang) Co., Ltd.
- Self-locking retaining ring with a dimple locking mechanism20 Jan 2026US 12,529,393 B2Smalley Steel Ring Company
- Steering wheel and method of manufacturing same13 Jan 2026US 12,522,275 B2Autoliv Development AB
- Ring fastener16 Dec 2025US 12,497,989 B2Cross Manufacturing Company (1938) Limited
- Clip for removably attaching a first vehicle part to a second vehicle part, first vehicle part, assembly, and method for disengaging an assembly of a first vehicle part and of a second vehicle part17 Sep 2026US 2026/0276020 A1Volvo Car Corporation
- Interlock-ring17 Sep 2026US 2026/0276021 A1Seeger-Orbis GmbH
- Rotational speed-resistant rings23 Jul 2026US 2026/0210393 A1Seeger-Orbis GmbH
- Tapered gear or pulley interface2 Jul 2026US 2026/0185596 A1Cardtronics USA, Inc.
- Securing arrangement of a securing ring for a motor vehicle, and a motor vehicle11 Jun 2026US 2026/0160290 A1Mercedes-Benz Group AG
Most cited
By later US patents
- Spinal fixation assembly209US 7,678,136 B2Spinal LLC · 2010
- Variable length telescopic connector and method for use131US 5,098,241 AXYZYX International Corporation · 1992
- Fasteners75US 4,043,685 AVic-Tree (Mouldings) Limited · 1977
- Retaining clip system74US 5,704,100 AFederal-Hoffman, Inc. · 1998
- Captive panel fastener assembly71US 4,815,908 AAvibank Mfg., Inc. · 1989