F15B 2211/328
With signal modulation
Official title: with signal modulation, e.g. pulse width modulation [PWM]
F15B2211/328 (With signal modulation) appears on 42 US grants and 47 published applications in this corpus.
Search patents in F15B- Granted patents
- 42
- Published applications
- 47
- Assignees
- 37
- Inventors
- 123
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 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 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 3 |
| 2009 | 0 | 0 |
| 2010 | 4 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 4 |
| 2014 | 1 | 2 |
| 2015 | 0 | 2 |
| 2016 | 3 | 3 |
| 2017 | 3 | 1 |
| 2018 | 2 | 1 |
| 2019 | 1 | 2 |
| 2020 | 1 | 4 |
| 2021 | 3 | 8 |
| 2022 | 4 | 1 |
| 2023 | 4 | 2 |
| 2024 | 4 | 4 |
| 2025 | 1 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Variable dither control system for a fluid actuator25 Aug 2026US 12,716,516 B2Hamilton Sundstrand Corporation
- Methods and apparatus for quantifying pneumatic volume usage via valve controllers13 May 2025US 12,298,171 B2Fisher Controls International LLC
- Method for minimizing the dither hum on a valve26 Nov 2024US 12,152,610 B2Robert Bosch GmbH
- Pneumatic cylinder system26 Nov 2024US 12,152,616 B2Staccato Technologies AB
- Hydraulic system for battery-powered utility vehicles22 Oct 2024US 12,123,173 B1Vermeer Manufacturing Company
- Ultra-high precision pneumatic force servo system and intelligent control parameter optimization method therefor19 Jun 2025US 2025/0198430 A1Jiangsu University
- Arrangement for valve control24 Apr 2025US 2025/0129805 A1Deere & Company
- Dynamic testing system hydraulic actuator speed control6 Mar 2025US 2025/0076166 A1Illinois Tool Works Inc.
- Two-stage pneumatic supply architecture for light-weight untethered pneumatic actuation systems19 Sep 2024US 2024/0309891 A1Council of Scientific and Industrial Research An Indian Registered Body Incorporated Under the Regn.
- Multifunctional electro-hydraulic flow control valve and flow control method13 Jun 2024US 2024/0191813 A1Taiyuan University of Technology
Most cited
By later US patents
- Linear servoactuator with integrated transformer position sensor158US 4,628,499 AScientific-Atlanta, Inc. · 1986
- Electrohydraulic valve system54US 4,437,385 ADeere & Company · 1984
- Control means for a hydraulic servomotor23US 4,870,892 ADanfoss A/S · 1989
- Method and control system for compensating for friction17US 6,285,913 B1Alfa Laval Automation AB · 2001
- Variable pilot pressure control for pilot valves14US 6,305,419 B1Clark Equipment Company · 2001