F15B 2211/654
The load sensing pressure being lower than the load pressure
Official title: the load sensing pressure being lower than the load pressure
F15B2211/654 (The load sensing pressure being lower than the load pressure) appears on 44 US grants and 38 published applications in this corpus.
Search patents in F15B- Granted patents
- 44
- Published applications
- 38
- Assignees
- 32
- Inventors
- 97
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 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 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 3 |
| 2007 | 2 | 1 |
| 2008 | 0 | 2 |
| 2009 | 2 | 3 |
| 2010 | 0 | 2 |
| 2011 | 2 | 1 |
| 2012 | 2 | 3 |
| 2013 | 1 | 1 |
| 2014 | 1 | 2 |
| 2015 | 3 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 3 | 3 |
| 2019 | 2 | 1 |
| 2020 | 2 | 2 |
| 2021 | 2 | 1 |
| 2022 | 6 | 1 |
| 2023 | 2 | 3 |
| 2024 | 1 | 2 |
| 2025 | 1 | 3 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydraulic system for working machine3 Mar 2026US 12,565,759 B2Kubota Corporation
- System and method for controlling hydraulic fluid flow within a work vehicle13 Jan 2026US 12,523,014 B2CNH Industrial America LLC
- Load-controlled hydraulic supply for an attachment attached to an agricultural tractor18 Feb 2025US 12,225,837 B2Deere & Company
- Smart flow dual pump hydraulic system8 Oct 2024US 12,110,912 B2CNH Industrial America LLC
- Smart flow dual pump hydraulic system26 Sep 2023US 11,767,860 B2CNH Industrial America LLC
- System and method for controlling hydraulic fluid flow within a work vehicle9 Oct 2025US 2025/0314046 A1CNH Industrial America LLC
- Hydraulic assembly and commercial vehicle1 May 2025US 2025/0135880 A1Deere & Company
- Hydraulic assembly and commercial vehicle1 May 2025US 2025/0137469 A1Deere & Company
- Method for determining or adapting a characteristic curve of a hydraulic component or mobile working machine28 Nov 2024US 2024/0392538 A1Liebherr-Hydraulikbagger GmbH
- Load-controlled hydraulic supply for an attachment attached to an agricultural tractor18 Jan 2024US 2024/0018978 A1Deere & Company
Most cited
By later US patents
- Hydraulic circuit with load sensing feature30US 5,615,553 ACase Corporation · 1997
- Hydraulic system with multiple pressure relief levels19US 7,222,484 B1HUSCO International, Inc. · 2007
- Load sensing hydraulic control system16US 5,063,739 ACaterpillar Inc. · 1991
- Hydraulic circuit for operating plural actuators and its pressure compensating valve and maximum load pressure detector16US 5,481,872 AKabushiki Kaisha Komatsu Seisakusho · 1996
- Method and system for improving stability of hydraulic systems with load sense12US 7,261,030 B2HydraForce, Inc. · 2007