F15B 2211/6326
The flow rate being an output member flow rate
Official title: the flow rate being an output member flow rate
F15B2211/6326 (The flow rate being an output member flow rate) appears on 61 US grants and 63 published applications in this corpus.
Search patents in F15B- Granted patents
- 61
- Published applications
- 63
- Assignees
- 61
- Inventors
- 159
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 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 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 5 |
| 2013 | 0 | 1 |
| 2014 | 1 | 5 |
| 2015 | 4 | 2 |
| 2016 | 3 | 2 |
| 2017 | 2 | 5 |
| 2018 | 1 | 1 |
| 2019 | 4 | 2 |
| 2020 | 4 | 4 |
| 2021 | 4 | 7 |
| 2022 | 7 | 4 |
| 2023 | 2 | 4 |
| 2024 | 7 | 9 |
| 2025 | 7 | 4 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Hydraulic-pump flow-rate calibration system2 Sep 2025US 12,404,655 B2Kawasaki Jukogyo Kabushiki Kaisha
- Elevatable chamber and method of operating the same24 Jun 2025US 12,338,903 B2LG Energy Solution, Ltd.
- Hydraulic Isolation Cylinder-Based System6 Aug 2026US 2026/0226921 A1SRI Energy, Inc.
- Flow Analysis-Based Cylinder Monitoring Apparatus and Method16 Jul 2026US 2026/0201914 A1LG Energy Solution, Ltd.
- Construction Machine26 Mar 2026US 2026/0085500 A1Hitachi Construction Machinery Co., Ltd.
- Learning for controlling pneumatic driven positioning devices19 Mar 2026US 2026/0078779 A1VAT Holding AG
- Pump proportional control with input signal modification6 Nov 2025US 2025/0341226 A1Oshkosh Corporation
Most cited
By later US patents
- Hydraulic actuator controls24US 4,031,813 ASperry Rand Corporation · 1977
- Operation control device23US 5,029,067 AKabushiki Kaisha Komatsu Seisakusho · 1991
- Negative load control and energy utilizing system22US 5,152,142 ACaterpillar Inc. · 1992
- Method and system for electrohydraulic valve control20US 6,286,412 B1Caterpillar Inc. · 2001
- Hydraulic drive system for hydraulic working machines18US 5,447,027 AHitachi Construction Machinery Co., Ltd. · 1995