F15B 2211/652
The load sensing pressure being different from the load pressure
Official title: the load sensing pressure being different from the load pressure
F15B2211/652 (The load sensing pressure being different from the load pressure) appears on 21 US grants and 10 published applications in this corpus.
Search patents in F15B- Granted patents
- 21
- Published applications
- 10
- Assignees
- 17
- Inventors
- 42
- Latest grant
- 5 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 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 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 2 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 2 |
| 2021 | 2 | 0 |
| 2022 | 2 | 0 |
| 2023 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- System and method for controlling hydraulic pump operation within a work vehicle5 Dec 2023US 11,834,811 B2CNH Industrial America LLC
- Variable system pressure based on implement position30 May 2023US 11,661,723 B1Caterpillar Underground Mining Pty. Ltd.
- Load sensing type hydraulic system with hydraulic adjustment device23 Aug 2022US 11,421,796 B2Walvoil S.P.A.
- Flow management of a hydraulic system5 Jul 2022US 11,377,823 B1Deere & Company
- Hydraulic control valve configured to use a pilot signal as a substitute load-sense signal20 Jul 2021US 11,067,101 B2Parker-Hannifin Corporation
- System and method for controlling hydraulic pump operation within a work vehicle27 Apr 2023US 2023/0128642 A1CNH Industrial America LLC
- Hydraulic Control Valve Configured to Use a Pilot Signal as a Substitute Load-Sense Signal10 Dec 2020US 2020/0386245 A1Parker-Hannifin Corporation
- Load sensing type hydraulic system with hydraulic adjustment device23 Apr 2020US 2020/0124194 A1Walvoil S.P.A.
- Apparatus and methods for the control of hydraulic actuators28 Jun 2018US 2018/0180066 A1National Oilwell Varco Norway AS
- Variable load sense open center hybrid system7 Jan 2016US 2016/0002888 A1Parker-Hannifin Corporation
Most cited
By later US patents
- Load responsive system pump controls24US 4,139,987 A1979
- Controlled priority fluid system of a crawler type vehicle17US 3,987,623 ACaterpillar Tractor Co. · 1976
- Load responsive system pump controls17US 4,074,529 A1978
- Hydraulic valve arrangement14US 8,020,583 B2Sauer-Danfoss ApS · 2011
- Supply apparatus for two receiving means having a pressure summation device12US 3,962,954 APoclain · 1976