F15B 15/2823
By a screw mechanism attached to the piston
Official title: {by a screw mechanism attached to the piston}
F15B15/2823 (By a screw mechanism attached to the piston) appears on 16 US grants and 9 published applications in this corpus.
Search patents in F15B- Granted patents
- 16
- Published applications
- 9
- Assignees
- 14
- Inventors
- 32
- Latest grant
- 10 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 1 | 2 |
| 2018 | 0 | 1 |
| 2019 | 0 | 2 |
| 2020 | 2 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Cylinder device for a hydraulic lifting device with distance measurement, hydraulic lifting device, chassis and mobile device10 Sep 2024US 12,085,101 B2HAWE Hydraulik SE
- Linear actuator with rotary positional output24 May 2022US 11,339,809 B2Jindex PTY. Limited
- Adjustable stops actuator piston13 Oct 2020US 10,801,528 B2Microtecnica S.R.L.
- Hydraulic artificial lift for driving downhole pumps15 Sep 2020US 10,774,829 B2Celtic Machining Ltd.
- Hydraulic cylinder position sensing and locking system and corresponding method14 Feb 2017US 9,568,029 B2Actuant Corporation
- Cylinder device for a hydraulic lifting device with distance measurement, hydraulic lifting device, chassis and mobile device3 Feb 2022US 2022/0031544 A1HAWE Hydraulik SE
- Linear Actuator with Rotary Positional Output19 Dec 2019US 2019/0383313 A1Jindex PTY. Limited
- Adjustable stops actuator piston10 Oct 2019US 2019/0309774 A1Microtecnica S.R.L.
- Hydraulic Artificial Lift for Driving Downhole Pumps17 May 2018US 2018/0135620 A1Celtic Machining Ltd.
- Rotational positional monitoring of vehicle lifts2 Nov 2017US 2017/0313560 A1Vehicle Service Group, LLC
Most cited
By later US patents
- Fluid apparatus43US 4,932,311 ADaihatsu Diesel Mfg. Co., Ltd. · 1990
- Power cylinder with internally mounted position indicator24US 4,386,552 A1983
- Power cylinder with internally mounted position indicator21US 4,552,055 APrince Manufacturing, Inc. · 1985
- Pneumatically powered linear actuator control apparatus and method17US 6,116,139 ACompact Air Products, Inc. · 2000
- Position sensing hydraulic cylinder16US 9,341,266 B1Texas Hydraulics, Inc. · 2016