F15B 2211/40584
The flow control means arranged in parallel with a check valve
Official title: the flow control means arranged in parallel with a check valve
F15B2211/40584 (The flow control means arranged in parallel with a check valve) appears on 180 US grants and 124 published applications in this corpus.
Search patents in F15B- Granted patents
- 180
- Published applications
- 124
- Assignees
- 129
- Inventors
- 337
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 6 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 4 |
| 2003 | 6 | 5 |
| 2004 | 6 | 8 |
| 2005 | 6 | 7 |
| 2006 | 6 | 1 |
| 2007 | 5 | 5 |
| 2008 | 2 | 2 |
| 2009 | 0 | 2 |
| 2010 | 1 | 2 |
| 2011 | 2 | 0 |
| 2012 | 0 | 3 |
| 2013 | 1 | 2 |
| 2014 | 0 | 0 |
| 2015 | 3 | 4 |
| 2016 | 1 | 2 |
| 2017 | 1 | 2 |
| 2018 | 4 | 4 |
| 2019 | 3 | 7 |
| 2020 | 7 | 10 |
| 2021 | 10 | 7 |
| 2022 | 6 | 16 |
| 2023 | 10 | 11 |
| 2024 | 12 | 10 |
| 2025 | 12 | 7 |
| 2026 | 7 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Regulator having check valve manifold for use in subsea control circuit9 Jun 2026US 12,650,052 B2National Coupling Company, Inc.
- Energy storage and reutilization for a single-rod electro-hydrostatic actuator9 Jun 2026US 12,650,138 B2University of Manitoba
- Hydraulic pressure control unit19 May 2026US 12,630,131 B2Robert Bosch GmbH
- Variable relief circuit19 May 2026US 12,631,201 B2HUSCO International, Inc.
- 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
- Valve Assembly for Double-Acting Hoisting Mechanism29 Jan 2026US 2026/0029001 A1Robert Bosch GmbH
- Hydraulic control system for an agricultural tillage implement22 Jan 2026US 2026/0020511 A1CNH Industrial America LLC
- Energy Recovery Charging of an Accumulator in a Low-Pressure Compensation Circuit of an Electro-Hydrostatic Actuator21 Aug 2025US 2025/0264116 A1University of Manitoba
- Ground pressure control for agricultural implement29 May 2025US 2025/0169388 A1
- Method for controlling working machine and working machine8 May 2025US 2025/0146256 A1Yanmar Holdings Co., Ltd.
Most cited
By later US patents
- Hydraulic system with cross function regeneration90US 6,502,393 B1HUSCO International, Inc. · 2003
- Hydraulic system for supplying hydraulic fluid to a hydraulically operated device alternately at pressures of different value71US 4,142,368 AWelko Industriale S.p.A. · 1979
- Shovel64US 6,789,335 B1Kobelco Construction Machinery Co., Ltd. · 2004
- Hydraulic valve module63US 4,170,214 ADouble A Products Company · 1979
- Multiple utilization of blow-mold air54US 5,648,026 AKrupp Corpoplast Maschinenbau GmbH · 1997