B66D 5/026
Fluid-resistance brakes
Official title: {Fluid-resistance brakes}
B66D5/026 (Fluid-resistance brakes) appears on 12 US grants and 9 published applications in this corpus.
Search patents in B66D- Granted patents
- 12
- Published applications
- 9
- Assignees
- 9
- Inventors
- 15
- Latest grant
- 4 Jan 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Payload delivery system with spool braking device4 Jan 2022US 11,214,371 B2Wing Aviation LLC
- Payload delivery system with removable spool23 Apr 2019US 10,266,266 B2Wing Aviation LLC
- Crane3 May 2016US 9,327,950 B2Liebherr-Werk Biberach GmbH
- Safety system6 Jan 2015US 8,925,412 B2
- Elevator brake with magneto-rheological fluid21 Jan 2014US 8,631,917 B2Otis Elavator Company
Most cited
By later US patents
- Mechanically adjustable dual pocket hydromatic brake24US 4,043,434 AParmac, Inc. · 1977
- Winch having hydraulic speed control and planetary gear system23US 5,860,635 ASeascape Systems Limited · 1999
- Power delivery system having a pressure modulated hydrodynamic retarder for controlling a load21US 4,324,387 ATwin Disc, Incorporated · 1982
- Drawworks20US 4,438,904 A1984
- Windage braking8US 8,061,483 B2Drop Zone UK Limited · 2011