F15B 15/264
Screw mechanisms attached to the piston
Official title: {Screw mechanisms attached to the piston}
F15B15/264 (Screw mechanisms attached to the piston) appears on 26 US grants and 18 published applications in this corpus.
Search patents in F15B- Granted patents
- 26
- Published applications
- 18
- Assignees
- 26
- Inventors
- 51
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 3 |
| 2016 | 4 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 2 | 2 |
| 2022 | 1 | 2 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Linear actuator19 May 2026US 12,630,285 B2Goodrich Actuation Systems Limited
- Track tensioning system28 Apr 2026US 12,612,125 B2The Dynamic Engineering Solution Pty Ltd
- Actuation unit of the articulated lever or cam type provided with a braking unit16 Apr 2024US 11,959,501 B2Pneumax S.P.A.
- Hydraulic baulking sync lock10 May 2022US 11,326,554 B2Woodward, Inc.
- Piston assembly for aircraft door30 Nov 2021US 11,187,023 B2Hamilton Sundstrand Corporation
- Locking sleeve for an actuator15 Jan 2026US 2026/0016028 A1Liebherr-Aerospace Lindenberg GmbH
- Linear actuator25 Sep 2025US 2025/0296677 A1Goodrich Actuation Systems Limited
- Track tensioning system12 Oct 2023US 2023/0322314 A1The Dynamic Engineering Solution Pty Ltd
- Actuation unit of the articulated lever or cam type provided with a braking unit27 Oct 2022US 2022/0341443 A1Pneumax S.P.A.
- Hydraulic Baulking Sync Lock6 Jan 2022US 2022/0003187 A1Woodward, Inc.
Most cited
By later US patents
- Fluid apparatus43US 4,932,311 ADaihatsu Diesel Mfg. Co., Ltd. · 1990
- Actuator28US 4,442,928 AThe Bendix Corporation · 1984
- Lock for a thrust reverser mechanism, a thrust reverser mechanism, and a thrust reverser27US 5,280,704 ALucas Industries public limited company · 1994
- Lock for nozzle control in the event of hydraulic failure15US 5,685,141 AGeneral Electric Company · 1997
- Linear actuator12US 7,174,828 B2Goodrich Actuation Systems Limited · 2007