F16D 51/20
Extending in opposite directions from their pivots
Official title: extending in opposite directions from their pivots
F16D51/20 (Extending in opposite directions from their pivots) appears on 444 US grants and 319 published applications in this corpus.
Search patents in F16D- Granted patents
- 444
- Published applications
- 319
- Assignees
- 174
- Inventors
- 710
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 8 | 0 |
| 1978 | 5 | 0 |
| 1979 | 6 | 0 |
| 1980 | 13 | 0 |
| 1981 | 5 | 0 |
| 1982 | 7 | 0 |
| 1983 | 5 | 0 |
| 1984 | 10 | 0 |
| 1985 | 7 | 0 |
| 1986 | 8 | 0 |
| 1987 | 2 | 0 |
| 1988 | 8 | 0 |
| 1989 | 13 | 0 |
| 1990 | 7 | 0 |
| 1991 | 12 | 0 |
| 1992 | 8 | 0 |
| 1993 | 8 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 10 | 0 |
| 2000 | 14 | 0 |
| 2001 | 14 | 4 |
| 2002 | 10 | 12 |
| 2003 | 9 | 8 |
| 2004 | 7 | 1 |
| 2005 | 2 | 1 |
| 2006 | 3 | 7 |
| 2007 | 1 | 1 |
| 2008 | 1 | 2 |
| 2009 | 2 | 3 |
| 2010 | 1 | 1 |
| 2011 | 3 | 15 |
| 2012 | 3 | 6 |
| 2013 | 8 | 5 |
| 2014 | 8 | 13 |
| 2015 | 8 | 14 |
| 2016 | 12 | 10 |
| 2017 | 13 | 26 |
| 2018 | 20 | 22 |
| 2019 | 14 | 20 |
| 2020 | 18 | 18 |
| 2021 | 13 | 23 |
| 2022 | 18 | 35 |
| 2023 | 18 | 28 |
| 2024 | 21 | 15 |
| 2025 | 16 | 18 |
| 2026 | 18 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electronic parking brake apparatus6 Oct 2026US 12,752,760 B2Hyundai Mobis Co., Ltd.
- Drum brake and method of operating the same6 Oct 2026US 12,753,812 B2Hl Mando Corporation
- Robotic garden tool with quick change mechanism25 Aug 2026US 12,714,019 B2Techtronic Cordless GP
- Brake system and control method thereof25 Aug 2026US 12,715,400 B2Hl Mando Corporation
- Electromechanical actuation unit for a motor vehicle brake19 May 2026US 12,630,138 B2ZF Active Safety GmbH
- Electromechanical Drum Brake1 Oct 2026US 2026/0296395 A1ZF Active Safety GmbH
- Electromechanical brake device27 Aug 2026US 2026/0251193 A1Continental Automotive Technologies GmbH
- Brake drum; drum brake and vehicle13 Aug 2026US 2026/0235177 A1Mahle International GmbH
- Electromechanical drum brake30 Jul 2026US 2026/0218765 A1
- Electromechanically actuated drum brake16 Jul 2026US 2026/0201928 A1
Most cited
By later US patents
- Brake release mechanism and medical manipulator provided with same982US 10,064,639 B2KARL STORZ GmbH&Co.KG · 2018
- Mechanism for direction changing of endoscope top end129US 4,461,282 AKabushiki Kaisha Medos Kenkyusho · 1984
- Brake monitoring system51US 5,339,069 ATripen Enterprises Ltd. · 1994
- Automotive parking brake and parking brake system for motor vehicles41US 5,769,189 ALucas Industries public limited company · 1998
- Electric drum brake38US 5,000,297 AGeneral Motors Corporation · 1991