B66F 3/25
Constructional features
B66F3/25 (Constructional features) appears on 522 US grants and 431 published applications in this corpus.
Search patents in B66F- Granted patents
- 522
- Published applications
- 431
- Assignees
- 295
- Inventors
- 945
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 8 | 0 |
| 1978 | 11 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 8 | 0 |
| 1982 | 6 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 8 | 0 |
| 1986 | 6 | 0 |
| 1987 | 12 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 10 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 10 | 0 |
| 1996 | 10 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 15 | 0 |
| 2000 | 15 | 0 |
| 2001 | 10 | 2 |
| 2002 | 6 | 5 |
| 2003 | 11 | 12 |
| 2004 | 9 | 15 |
| 2005 | 8 | 13 |
| 2006 | 6 | 7 |
| 2007 | 6 | 10 |
| 2008 | 5 | 15 |
| 2009 | 3 | 10 |
| 2010 | 9 | 10 |
| 2011 | 4 | 11 |
| 2012 | 10 | 15 |
| 2013 | 7 | 14 |
| 2014 | 9 | 18 |
| 2015 | 18 | 20 |
| 2016 | 21 | 14 |
| 2017 | 21 | 31 |
| 2018 | 11 | 22 |
| 2019 | 21 | 22 |
| 2020 | 18 | 33 |
| 2021 | 25 | 20 |
| 2022 | 21 | 26 |
| 2023 | 23 | 26 |
| 2024 | 23 | 22 |
| 2025 | 20 | 23 |
| 2026 | 19 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Parasitic Hydraulic Jack System1 Oct 2026US 2026/0296850 A1
- Valve for apparatus including a lifting device1 Oct 2026US 2026/0298347 A1Harbor Freight Tools USA, Inc.
- Vehicle lifting device30 Jul 2026US 2026/0217504 A1
- Pressure compensation valve and hydraulic control system28 May 2026US 2026/0145919 A1Zhejiang Senstren Technology Co., LTD
- Oil release mechanism for lightweight jack21 May 2026US 2026/0138857 A1Hangzhou Tianheng Machinery Co., Ltd.
Most cited
By later US patents
- Diffusion pumping apparatus self-inflating device276US 4,340,626 A1982
- Container handling device64US 5,800,114 AHydro 7 International · 1998
- Lifting apparatus48US 4,688,760 AMangar Aids Limited · 1987
- Dynamic gas pressured jacking structure with improved load stability and air pallet employing same45US 4,417,639 A1983
- Material mover having a fluid film reservoir42US 7,725,963 B2Gray Tek, Inc. · 2010