F15B 2211/4159
Being connected to a pressure source, an output member and a return
Official title: being connected to a pressure source, an output member and a return line
F15B2211/4159 (Being connected to a pressure source, an output member and a return) appears on 27 US grants and 33 published applications in this corpus.
Search patents in F15B- Granted patents
- 27
- Published applications
- 33
- Assignees
- 27
- Inventors
- 83
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 2 |
| 2016 | 1 | 3 |
| 2017 | 1 | 0 |
| 2018 | 2 | 0 |
| 2019 | 1 | 4 |
| 2020 | 3 | 1 |
| 2021 | 0 | 2 |
| 2022 | 1 | 2 |
| 2023 | 1 | 3 |
| 2024 | 2 | 3 |
| 2025 | 4 | 3 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Energy storage and reutilization for a single-rod electro-hydrostatic actuator9 Jun 2026US 12,650,138 B2University of Manitoba
- Hydraulic system5 May 2026US 12,618,467 B2Kawasaki Jukogyo Kabushiki Kaisha
- Energy recovery charging of an accumulator in a low-pressure compensation circuit of an electro-hydrostatic actuator21 Apr 2026US 12,607,205 B2University of Manitoba
- Hydraulic unit24 Mar 2026US 12,584,504 B2Daikin Industries, Ltd.
- Fluid circuit7 Oct 2025US 12,435,738 B2Eagle Industry Co., Ltd.
- Operator group, especially for an operator vehicle25 Jun 2026US 2026/0176118 A1Manitou Italia S.R.L.
- Valve Assembly for Double-Acting Hoisting Mechanism29 Jan 2026US 2026/0029001 A1Robert Bosch GmbH
- Hydraulic system22 Jan 2026US 2026/0022717 A1Kawasaki Jukogyo Kabushiki Kaisha
- Hydraulic system27 Nov 2025US 2025/0361883 A1Kawasaki Jukogyo Kabushiki Kaisha
- Energy Recovery Charging of an Accumulator in a Low-Pressure Compensation Circuit of an Electro-Hydrostatic Actuator21 Aug 2025US 2025/0264116 A1University of Manitoba
Most cited
By later US patents
- Hydraulic drive system for crawler-mounted construction vehicle11US 5,005,358 AHitachi Construction Machinery Co., Ltd. · 1991
- Power sensing regenerator11US 5,319,932 ARoche Engineering Corporation · 1994
- Electrohydraulic lifting control device for industrial trucks11US 6,837,045 B2HAWE Hydraulik SE · 2005
- Hydraulic driving system of construction machinery11US 7,500,360 B2Hitachi Constuction Machinery Co., Ltd. · 2009
- Dual pump dual pressure hydraulic circuit10US 7,401,465 B2Deere & Company · 2008