F15B 13/044
Operated by electrically-controlled means
Official title: operated by electrically-controlled means, e.g. solenoids, torque-motors
F15B13/044 (Operated by electrically-controlled means) appears on 619 US grants and 528 published applications in this corpus.
Search patents in F15B- Granted patents
- 619
- Published applications
- 528
- Assignees
- 347
- Inventors
- 1,288
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 8 | 0 |
| 1990 | 6 | 0 |
| 1991 | 9 | 0 |
| 1992 | 3 | 0 |
| 1993 | 9 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 10 | 0 |
| 1997 | 12 | 0 |
| 1998 | 10 | 0 |
| 1999 | 15 | 0 |
| 2000 | 15 | 0 |
| 2001 | 19 | 4 |
| 2002 | 23 | 9 |
| 2003 | 9 | 7 |
| 2004 | 10 | 16 |
| 2005 | 11 | 9 |
| 2006 | 5 | 3 |
| 2007 | 4 | 8 |
| 2008 | 3 | 14 |
| 2009 | 4 | 1 |
| 2010 | 5 | 15 |
| 2011 | 6 | 5 |
| 2012 | 10 | 22 |
| 2013 | 15 | 19 |
| 2014 | 10 | 14 |
| 2015 | 10 | 22 |
| 2016 | 22 | 27 |
| 2017 | 18 | 29 |
| 2018 | 22 | 45 |
| 2019 | 40 | 41 |
| 2020 | 51 | 40 |
| 2021 | 38 | 30 |
| 2022 | 38 | 23 |
| 2023 | 24 | 43 |
| 2024 | 24 | 25 |
| 2025 | 33 | 38 |
| 2026 | 22 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-channel flow control system15 Sep 2026US 12,736,069 B2Industrial Technology Research Institute
- Hydraulic smart valve25 Aug 2026US 12,716,515 B2Dpc Hydraulics S.R.L.
- Variable dither control system for a fluid actuator25 Aug 2026US 12,716,516 B2Hamilton Sundstrand Corporation
- Speed control for hydraulic system of a refuse vehicle11 Aug 2026US 12,703,315 B2Oshkosh Corporation
- Vegetation management machine to clear the ground along a fence or row4 Aug 2026US 12,696,842 B2Dragone S.R.L.
- Hydraulic system for a refuse vehicle1 Oct 2026US 2026/0296342 A1Oshkosh Corporation
- Null and maximum flow adjustable electrohydraulic servo vavle (ehsv)1 Oct 2026US 2026/0298356 A1Honeywell International Inc.
- Dual-valve-core servo valve24 Sep 2026US 2026/0286986 A1Ningbo LK Technology Co., Ltd.
- Route planning based control of a refuse vehicle hydraulic system3 Sep 2026US 2026/0257638 A1Oshkosh Corporation
- Hydraulic actuator6 Aug 2026US 2026/0226922 A1Svm Schultz Verwaltungs-GmbH & Co.KG
Most cited
By later US patents
- Hydraulic circuit for automatic transmission1,004US 9,488,197 B2Hyundai Motor Company · 2016
- Servo positioning system90US 5,787,915 AJ. Otto Byers & Associates · 1998
- Digital two, three, and four way solenoid control valves68US 5,640,987 A1997
- Digital servo valve system67US 5,036,886 AOlson Controls, Inc. · 1991
- Electrohydraulic device for actuating a control element64US 5,339,777 ACaterpillar Inc. · 1994