F15B 2211/427
With signal modulation
Official title: with signal modulation, e.g. using pulse width modulation [PWM]
F15B2211/427 (With signal modulation) appears on 33 US grants and 34 published applications in this corpus.
Search patents in F15B- Granted patents
- 33
- Published applications
- 34
- Assignees
- 27
- Inventors
- 67
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 5 |
| 2010 | 1 | 3 |
| 2011 | 0 | 0 |
| 2012 | 3 | 0 |
| 2013 | 4 | 2 |
| 2014 | 0 | 2 |
| 2015 | 1 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 2 | 1 |
| 2019 | 1 | 4 |
| 2020 | 2 | 6 |
| 2021 | 4 | 0 |
| 2022 | 3 | 0 |
| 2023 | 1 | 3 |
| 2024 | 1 | 1 |
| 2025 | 2 | 1 |
| 2026 | 3 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Hydraulic power steering system25 Aug 2026US 12,715,501 B2Hydac New Technologies GmbH
- Variable dither control system for a fluid actuator25 Aug 2026US 12,716,516 B2Hamilton Sundstrand Corporation
- Hydraulic unit24 Mar 2026US 12,584,504 B2Daikin Industries, Ltd.
- System and methods for controlled lowering and lifting of a load3 Jun 2025US 12,320,373 B2Danfoss A/S
- Pulse width modulated control of servo11 Mar 2025US 12,247,594 B2Hamilton Sundstrand Corporation
- Methods for operating a vehicle comfort system, and vehicle comfort system16 Jul 2026US 2026/0200384 A1Faurecia Autositze GmbH
- Arrangement for valve control24 Apr 2025US 2025/0129805 A1Deere & Company
- Hydraulic unit8 Aug 2024US 2024/0263652 A1Daikin Industries, Ltd.
- Hydraulic power steering system23 Nov 2023US 2023/0373557 A1Hydac New Technologies GmbH
- Pulse width modulated control of servo17 Aug 2023US 2023/0258205 A1Hamilton Sundstrand Corporation
Most cited
By later US patents
- Electronic control for a hydraulically driven auxiliary power source34US 8,269,360 B2Uusi, LLC · 2012
- Electronic control for a hydraulically driven generator28US 8,269,359 B2Uusi, LLC · 2012
- Electronic control for a hydraulically driven generator19US 7,053,498 B1Wartron Corporation · 2006
- Electronic control for a hydraulically driven generator16US 7,459,800 B2Nartron Corporation · 2008
- Variable pilot pressure control for pilot valves14US 6,305,419 B1Clark Equipment Company · 2001