F15B 2211/8646
The abnormal condition being hysteresis
Official title: the abnormal condition being hysteresis
F15B2211/8646 (The abnormal condition being hysteresis) appears on 10 US grants and 12 published applications in this corpus.
Search patents in F15B- Granted patents
- 10
- Published applications
- 12
- Assignees
- 13
- Inventors
- 24
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 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 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 2 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 2 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 3 |
| 2024 | 0 | 0 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Work machine and method for calibrating an electrohydraulic pump in an open center hydraulic system25 Nov 2025US 12,481,257 B2Deere & Company
- Preventing control-induced oscillations of the position of a valve member in a valve with pneumatic actuator4 Mar 2025US 12,241,565 B2Samson Aktiengesellschaft
- 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
- Dithering hydraulic valves to mitigate static friction9 Aug 2022US 11,408,449 B2Topcon Positioning Systems, Inc.
- Hydraulic drive with fast stroke and load stroke8 Dec 2020US 10,859,100 B2Voith Patent GmbH
- Work machine and method for calibrating an electrohydraulic pump in an open center hydraulic system21 Dec 2023US 2023/0407599 A1Deere & Company
- Preventing Control-Induced Oscillations of the Position of a Valve Member in a Valve with Pneumatic Actuator14 Dec 2023US 2023/0400120 A1Samson Aktiengesellschaft
- Work machine and method for calibrating an electrohydraulic pump in an open center hydraulic system24 Aug 2023US 2023/0265870 A1Deere & Company
- Dithering hydraulic valves to mitigate static friction1 Apr 2021US 2021/0095701 A1Topcon Positioning Systems, Inc.
- Method for operating a hydraulic valve of a hydraulic device of a motor vehicle transmission device as well as a motor vehicle transmission device8 Oct 2020US 2020/0318661 A1Audi AG
Most cited
By later US patents
- Valve arrangement for controlling a reversible hydraulically operated device29US 3,954,046 AGebrueder Buehler AG · 1976
- Corrective control system and method for liquid pressure control apparatus in automatic transmission8US 6,751,542 B2JATCO Ltd · 2004
- Hydraulic drive with fast stroke and load stroke3US 10,859,100 B2Voith Patent GmbH · 2020
- Method and electronic device for compensation of the hysteresis of pneumatically driven fittings2US 8,352,048 B2ABB Technology AG · 2013
- Method and device for testing drive parameters of an electropneumatic valve for a pneumatic actuating drive1US 8,412,358 B2ABB Technology AG · 2013