F15B 2211/7716
With automatic return
Official title: with automatic return
F15B2211/7716 (With automatic return) appears on 32 US grants and 18 published applications in this corpus.
Search patents in F15B- Granted patents
- 32
- Published applications
- 18
- Assignees
- 28
- Inventors
- 61
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 7 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 2 |
| 2004 | 4 | 4 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 2 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
| 2023 | 2 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pneumohydraulic pressure intensifier12 May 2026US 12,624,710 B2WS Wieländer + Schill Engineering GmbH & Co. KG
- Valves for controlling flow of pressurized fluid to a tool5 May 2026US 12,618,485 B2Enerpac Tool Group Corp.
- Fluid circuit22 Apr 2025US 12,281,663 B2Eagle Industry Co., Ltd.
- Valve structure for driving reversible ploughs12 Sep 2023US 11,754,098 B2Oleodinamica Marchesini S.p.A.
- Hydraulic power pack system18 Jul 2023US 11,703,066 B2FOI Group, LLC
- Pneumohydraulic pressure intensifier22 Jan 2026US 2026/0022711 A1WS Wieländer + Schill Engineering GmbH & Co. KG
- Valves for controlling flow of pressurized fluid to a tool10 Jul 2025US 2025/0224042 A1Enerpac Tool Group Corp.
- Fluid circuit16 May 2024US 2024/0159255 A1Eagle Industry Co., Ltd.
- Hydraulic power pack system11 May 2023US 2023/0143865 A1FOI Group, LLC
- Valve structure for driving reversible ploughs26 May 2022US 2022/0163055 A1Oleodinamica Marchesini S.p.A.
Most cited
By later US patents
- Pneumatic cylinder with integral concentric hydraulic cylinder-type axially compact brake51US 4,907,495 A1990
- Apparatus and method for actuating arms36US 6,702,010 B2Computalog U.S.A., Inc. · 2004
- Dual actuator air turbine starter valve35US 6,684,898 B2Honeywell International Inc. · 2004
- Hydraulic amplifier27US 4,366,673 A1983
- Super reliable air-spring return air cylinder21US 4,759,260 A1988