F15B 2211/527
With signal modulation
Official title: with signal modulation, e.g. pulse width modulation [PWM]
F15B2211/527 (With signal modulation) appears on 15 US grants and 18 published applications in this corpus.
Search patents in F15B- Granted patents
- 15
- Published applications
- 18
- Assignees
- 23
- Inventors
- 58
- Latest grant
- 10 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 2 |
| 2017 | 0 | 0 |
| 2018 | 2 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 3 |
| 2021 | 2 | 0 |
| 2022 | 0 | 2 |
| 2023 | 2 | 2 |
| 2024 | 2 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Counter pressure valve arrangement10 Jun 2025US 12,326,741 B2Parker Hannifin EMEA S.à.r.l.
- Multi-rotor hydraulic drone17 Sep 2024US 12,091,172 B2Centre National de la Recherche Scientifique (CNRS)
- Counter pressure valve arrangement20 Feb 2024US 11,906,986 B2Parker Hannifin EMEA S.à.r.l.
- Controller and control method for linear solenoid valve29 Aug 2023US 11,742,124 B2Toyota Jidosha Kabushiki Kaisha
- Method for operating a hydraulic valve of a hydraulic device of a motor vehicle transmission device as well as a motor vehicle transmission device3 Jan 2023US 11,542,965 B2Audi AG
- Arrangement for valve control24 Apr 2025US 2025/0129805 A1Deere & Company
- Counter pressure valve arrangement21 Mar 2024US 2024/0094750 A1Parker Hannifin EMEA S.à.r.l.
- Counter pressure valve arrangement13 Jul 2023US 2023/0221737 A1Parker Hannifin EMEA S.à.r.l.
- Multi-Rotor Hydraulic Drone19 Jan 2023US 2023/0020058 A1Centre National de la Recherche Scientifique (CNRS)
- Robot device and liquid supply device20 Oct 2022US 2022/0331950 A1Aisin Corporation
Most cited
By later US patents
- Method of and apparatus for control of saftey valves17US 4,911,192 A1990
- Compressed gas energy storage system11US 9,109,614 B1LightSail Energy, Inc. · 2015
- Fluid power control system for mobile load handling equipment5US 10,087,958 B2Cascade Corporation · 2018
- Hydraulic control systems3US 6,209,566 B1Rover Group Limited · 2001
- Counter pressure valve arrangement2US 11,906,986 B2Parker Hannifin EMEA S.à.r.l. · 2024