F15B 2011/0243
The regenerative circuit being activated or deactivated automatically
Official title: {the regenerative circuit being activated or deactivated automatically}
F15B2011/0243 (The regenerative circuit being activated or deactivated automatically) appears on 60 US grants and 35 published applications in this corpus.
Search patents in F15B- Granted patents
- 60
- Published applications
- 35
- Assignees
- 42
- Inventors
- 115
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 7 |
| 2015 | 2 | 2 |
| 2016 | 1 | 0 |
| 2017 | 2 | 3 |
| 2018 | 3 | 0 |
| 2019 | 1 | 4 |
| 2020 | 6 | 3 |
| 2021 | 3 | 3 |
| 2022 | 3 | 4 |
| 2023 | 3 | 2 |
| 2024 | 0 | 1 |
| 2025 | 2 | 4 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Load-handling vehicle3 Feb 2026US 12,540,062 B2Manitou Bf
- Forklift truck mounted on a carrier vehicle13 Jan 2026US 12,522,488 B2Manitou Bf
- Fluid pressure circuit6 May 2025US 12,292,061 B2Eagle Industry Co., Ltd.
- Shovel4 Mar 2025US 12,241,229 B2Sumitomo Heavy Industries, Ltd.
- Energy Recovery Charging of an Accumulator in a Low-Pressure Compensation Circuit of an Electro-Hydrostatic Actuator21 Aug 2025US 2025/0264116 A1University of Manitoba
- Hydraulic actuator12 Jun 2025US 2025/0187724 A1Airbus Operations GmbH
- Fluid pressure circuit5 Jun 2025US 2025/0180043 A1Eagle Industry Co., Ltd.
- Fluid pressure circuit30 Jan 2025US 2025/0035132 A1Eagle Industry Co., Ltd.
- Shovel15 Feb 2024US 2024/0052595 A1Sumitomo Heavy Industries, Ltd.
Most cited
By later US patents
- Control valve system for blowout preventers58US 4,509,405 ANL Industries, Inc. · 1985
- Hydraulic system having a combined meter-out and regeneration valve assembly32US 5,415,076 ACaterpillar Inc. · 1995
- Control valve system for blowout preventers25US 4,614,148 ANL Industries, Inc. · 1986
- Pressure sensing regenerative hydraulic system22US 4,216,702 AEaton Yale Ltd. · 1980
- Control valve system for blowout preventers21US 4,349,041 ANL Industries, Inc. · 1982