B66F 3/24
Fluid-pressure operated
Official title: fluid-pressure operated (water-pressure machines F03B; hydraulic gearings F16H; cylinders, pistons F16J; fluid-pressure servomotors F15B)
B66F3/24 (Fluid-pressure operated) appears on 746 US grants and 588 published applications in this corpus.
Search patents in B66F- Granted patents
- 746
- Published applications
- 588
- Assignees
- 384
- Inventors
- 1,290
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 18 | 0 |
| 1978 | 18 | 0 |
| 1979 | 6 | 0 |
| 1980 | 4 | 0 |
| 1981 | 9 | 0 |
| 1982 | 7 | 0 |
| 1983 | 2 | 0 |
| 1984 | 11 | 0 |
| 1985 | 12 | 0 |
| 1986 | 9 | 0 |
| 1987 | 17 | 0 |
| 1988 | 9 | 0 |
| 1989 | 9 | 0 |
| 1990 | 11 | 0 |
| 1991 | 8 | 0 |
| 1992 | 12 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 16 | 0 |
| 1996 | 15 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 18 | 0 |
| 2000 | 18 | 0 |
| 2001 | 13 | 3 |
| 2002 | 8 | 8 |
| 2003 | 15 | 17 |
| 2004 | 13 | 17 |
| 2005 | 15 | 16 |
| 2006 | 7 | 11 |
| 2007 | 9 | 12 |
| 2008 | 6 | 17 |
| 2009 | 4 | 16 |
| 2010 | 11 | 15 |
| 2011 | 5 | 19 |
| 2012 | 17 | 23 |
| 2013 | 13 | 22 |
| 2014 | 13 | 24 |
| 2015 | 25 | 25 |
| 2016 | 27 | 31 |
| 2017 | 27 | 40 |
| 2018 | 22 | 30 |
| 2019 | 36 | 33 |
| 2020 | 25 | 41 |
| 2021 | 32 | 29 |
| 2022 | 28 | 35 |
| 2023 | 30 | 28 |
| 2024 | 30 | 29 |
| 2025 | 22 | 27 |
| 2026 | 24 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hydraulic securement device6 Oct 2026US 12,752,695 B2Tramec, L.L.C.
- Jack with hydraulic lock6 Oct 2026US 12,753,053 B2Pacific Rim International, LLC
- Apparatus for delivering torque struts to and removing torque struts from an aircraft landing gear1 Sep 2026US 12,722,803 B2The United States of America as represented by the Secretary of the Air Force
- Supporting device and method for supporting4 Aug 2026US 12,697,943 B2Nexion S.P.A.
- Pneumatic dismantling device28 Jul 2026US 12,692,138 B2Soartec Industrial Corp.
- Stable apparatus for delivering torque struts to and removing torque struts from an aircraft landing gear8 Oct 2026US 2026/0307819 A1Government of the United States as Represented by the Secretary of the Air Force
- 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.
- Maintenance system and maintenance method13 Aug 2026US 2026/0233380 A1Tokyo Electron Limited
- Vehicle lifting device30 Jul 2026US 2026/0217504 A1
Most cited
By later US patents
- Diffusion pumping apparatus self-inflating device276US 4,340,626 A1982
- Pneumatic human power amplifer module74US 5,915,673 A1999
- Balanced portable pedestals68US 4,094,484 AW. Vinten Limited · 1978
- Container handling device64US 5,800,114 AHydro 7 International · 1998
- Lifting apparatus48US 4,688,760 AMangar Aids Limited · 1987