F15B 2211/6323
The flow rate being a pressure source flow rate
Official title: the flow rate being a pressure source flow rate
F15B2211/6323 (The flow rate being a pressure source flow rate) appears on 67 US grants and 75 published applications in this corpus.
Search patents in F15B- Granted patents
- 67
- Published applications
- 75
- Assignees
- 57
- Inventors
- 179
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 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 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 2 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 3 |
| 2013 | 0 | 1 |
| 2014 | 2 | 0 |
| 2015 | 2 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 3 |
| 2018 | 1 | 2 |
| 2019 | 1 | 4 |
| 2020 | 5 | 8 |
| 2021 | 7 | 9 |
| 2022 | 9 | 10 |
| 2023 | 6 | 7 |
| 2024 | 8 | 9 |
| 2025 | 10 | 6 |
| 2026 | 1 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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- Method and system for hydraulic flow control of automation systems for work implements of work machines26 Mar 2026US 2026/0085494 A1Deere & Company
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Most cited
By later US patents
- Flow sensing and control apparatus25US 3,952,510 ACaterpillar Tractor Co. · 1976
- Hydraulic actuator controls24US 4,031,813 ASperry Rand Corporation · 1977
- Hydraulic control system for governing steering and implement actuators24US 4,422,290 AGeneral Signal Corporation · 1983
- Operation control device23US 5,029,067 AKabushiki Kaisha Komatsu Seisakusho · 1991
- Method and apparatus for hydraulically tightening threaded fasteners21US 5,668,328 AApplied Power Inc. · 1997