F15B 15/2846
Using detection of markings
Official title: {using detection of markings, e.g. markings on the piston rod}
F15B15/2846 (Using detection of markings) appears on 68 US grants and 61 published applications in this corpus.
Search patents in F15B- Granted patents
- 68
- Published applications
- 61
- Assignees
- 49
- Inventors
- 134
- Latest grant
- 13 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 2 |
| 2003 | 1 | 1 |
| 2004 | 3 | 2 |
| 2005 | 2 | 4 |
| 2006 | 5 | 7 |
| 2007 | 4 | 3 |
| 2008 | 3 | 1 |
| 2009 | 2 | 3 |
| 2010 | 3 | 4 |
| 2011 | 1 | 3 |
| 2012 | 2 | 0 |
| 2013 | 0 | 4 |
| 2014 | 1 | 0 |
| 2015 | 2 | 2 |
| 2016 | 1 | 3 |
| 2017 | 1 | 4 |
| 2018 | 3 | 5 |
| 2019 | 3 | 1 |
| 2020 | 2 | 1 |
| 2021 | 2 | 2 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 4 |
| 2025 | 3 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Velocity and position compound control system for pump-valve dual-source driven hydraulic cylinder13 May 2025US 12,297,850 B2Taiyuan University of Technology
- Method and device for detecting position of piston rod, hydraulic cylinder and working machine1 Apr 2025US 12,264,692 B2Sany Automobile Manufacturing Co., Ltd.
- Measuring system and pressure medium cylinder comprising a measuring system21 Jan 2025US 12,203,785 B2Van Halteren Technologies Boxtel B.V.
- Controlling multiple eversion-based actuators19 Nov 2024US 12,146,511 B2Electronics for Imaging, Inc.
- Method and a system for position measurement of a piston rod of a hydraulic cylinder28 Nov 2023US 11,828,306 B2Industries Mailhot Inc.
- Linear actuating device and associated aircraft rotor test bench13 Nov 2025US 2025/0346368 A1Airbus Helicopters
- Controlling multiple eversion-based actuators6 Mar 2025US 2025/0075713 A1
- Controlling multiple eversion-based actuators25 Jul 2024US 2024/0247665 A1Electronics for Imaging, Inc.
- Velocity And Position Compound Control System For Pump-Valve Dual-Source Driven Hydraulic Cylinder20 Jun 2024US 2024/0200581 A1Taiyuan University of Technology
- Tool holder for a machine with a positioning system30 May 2024US 2024/0175233 A1Oilquick AB
Most cited
By later US patents
- System and method of magnetically sensing position of a moving component69US 7,259,553 B2SRI International · 2007
- Fluid-powered actuator having a cylinder with magnetic field detectors thereon and a magnetized piston rod68US 4,471,304 AFesto-Maschinenfabrik Gottlieb Stoll · 1984
- Reluctance type linear position detection device65US 4,717,874 AKabushiki Kaisha SG · 1988
- Systems of recording piston rod position information in a magnetic layer on a piston rod63US 7,034,527 B2SRI International · 2006
- Systems for recording position information in a magnetic layer on a piston rod62US 7,307,418 B2SRI International · 2007