F15B 11/0725
With the driving energy being derived from a pneumatic system, a subsequent
Official title: {with the driving energy being derived from a pneumatic system, a subsequent hydraulic system displacing or controlling the output element}
F15B11/0725 (With the driving energy being derived from a pneumatic system, a subsequent) appears on 52 US grants and 43 published applications in this corpus.
Search patents in F15B- Granted patents
- 52
- Published applications
- 43
- Assignees
- 42
- Inventors
- 119
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 2 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 2 | 2 |
| 2013 | 0 | 2 |
| 2014 | 1 | 0 |
| 2015 | 1 | 2 |
| 2016 | 1 | 3 |
| 2017 | 2 | 3 |
| 2018 | 1 | 5 |
| 2019 | 0 | 2 |
| 2020 | 8 | 4 |
| 2021 | 1 | 3 |
| 2022 | 1 | 2 |
| 2023 | 2 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 3 |
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
- Hydraulic cylinder and system with pressure intensification16 Sep 2025US 12,416,316 B2Doben Limited
- Motor and hydraulic pump device including the motor20 Aug 2024US 12,066,022 B2Kosmek Ltd.
- Hydraulic power pack system18 Jul 2023US 11,703,066 B2FOI Group, LLC
- Lubrication system for a compressor20 Jun 2023US 11,680,588 B2Joy Global Surface Mining Inc
- Turbo engine including a system to control pitch of a propeller blade4 Jun 2026US 2026/0153033 A1General Electric Company
- Energy Storage and Control System for Pipeline Flow Control12 Feb 2026US 2026/0043422 A1
- Pneumohydraulic pressure intensifier22 Jan 2026US 2026/0022711 A1WS Wieländer + Schill Engineering GmbH & Co. KG
- Active adjustment method, device, control system and control method of connecting rod length2 Oct 2025US 2025/0304123 A1Zhuzhou Times New Material Technology Co., Ltd.
- Hydraulic cylinder and system with pressure intensification27 Mar 2025US 2025/0101997 A1Doben Limited
Most cited
By later US patents
- System and method for rapid isothermal gas expansion and compression for energy storage86US 7,802,426 B2SustainX, Inc. · 2010
- Pneumo-hydraulic converter for energy storage76US 6,145,311 A2000
- Pneumatic actuator with hydraulic control50US 5,161,449 AThe United States of America as represented by the Secretary of the Navy · 1992
- Lightweight, safe hydraulic power system and a method of operation thereof27US 5,507,144 AThe United States of America as represented by the Administrator of the U. S. Environmental Protection Agency · 1996
- System and method for rapid isothermal gas expansion and compression for energy storage22US 8,240,146 B1SustainX, Inc. · 2012