B66F 3/242
Suspended jacks
Official title: {suspended jacks}
B66F3/242 (Suspended jacks) appears on 11 US grants and 4 published applications in this corpus.
Search patents in B66F- Granted patents
- 11
- Published applications
- 4
- Assignees
- 7
- Inventors
- 23
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Engine device to generate continuous lifting operation28 Oct 2025US 12,454,446 B1
- Bobbyjack3 Dec 2013US 8,596,612 B1
- Air balancing device12 Oct 2004US 6,802,241 B2Hirotaka Engineering Co., Ltd.
- Pneumatic human power amplifer module29 Jun 1999US 5,915,673 A
- Pressure regulating circuit7 Jul 1998US 5,775,197 AHirotaka Engineering Co., Ltd.
- Movable Module for Hoisting Telescopic Towers and Method for Hoisting Telescopic Towers22 Jul 2021US 2021/0222452 A1Esteyco S. A.
- The bobbyjack19 Dec 2013US 2013/0334482 A1
- Vaccum lifting apparatus etc.31 Jul 2003US 2003/0143062 A1
- Air balancing device12 Jun 2003US 2003/0106421 A1Hirotaka Engineering Co., Ltd.
Most cited
By later US patents
- Pneumatic human power amplifer module74US 5,915,673 A1999
- Article exchanging apparatus12US 4,032,020 AKabushiki Kaisha Miyazaki Tekkosho · 1977
- Load balancing manipulator9US 5,269,644 A1993
- Electrohydraulic drawing apparatus, particularly a hoist6US 4,076,215 ALandert Motoren AG · 1978
- Apparatus for cleaning a powder coating booth4US 5,417,765 ANordson Corporation · 1995