F15B 15/1466
Hollow piston sliding over a stationary rod inside the cylinder
Official title: {Hollow piston sliding over a stationary rod inside the cylinder}
F15B15/1466 (Hollow piston sliding over a stationary rod inside the cylinder) appears on 121 US grants and 109 published applications in this corpus.
Search patents in F15B- Granted patents
- 121
- Published applications
- 109
- Assignees
- 112
- Inventors
- 264
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 4 |
| 2003 | 4 | 2 |
| 2004 | 3 | 4 |
| 2005 | 1 | 2 |
| 2006 | 2 | 2 |
| 2007 | 2 | 5 |
| 2008 | 2 | 4 |
| 2009 | 4 | 2 |
| 2010 | 2 | 2 |
| 2011 | 0 | 2 |
| 2012 | 2 | 2 |
| 2013 | 2 | 6 |
| 2014 | 2 | 3 |
| 2015 | 1 | 6 |
| 2016 | 6 | 4 |
| 2017 | 4 | 4 |
| 2018 | 6 | 2 |
| 2019 | 5 | 7 |
| 2020 | 3 | 7 |
| 2021 | 8 | 9 |
| 2022 | 4 | 5 |
| 2023 | 4 | 5 |
| 2024 | 7 | 5 |
| 2025 | 6 | 8 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Telescopic cylinder with variable volume feed channels and cylinder control28 May 2026US 2026/0146630 A1Manitou Italia S.R.L.
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Most cited
By later US patents
- Arrangement for a piston and cylinder device116US 6,659,240 B22003
- Hydraulic system, manifold and volumetric compensator73US 6,519,939 B1M-Mac Actuators, Inc. · 2003
- Bi-fluid actuator60US 6,711,984 B22004
- Self-regulated hydraulic control system37US 4,833,971 A1989
- Arrangement for a piston and cylinder device35US 6,467,592 B12002