F15B 1/265
With pressurised main reservoir
Official title: {with pressurised main reservoir}
F15B1/265 (With pressurised main reservoir) appears on 162 US grants and 179 published applications in this corpus.
Search patents in F15B- Granted patents
- 162
- Published applications
- 179
- Assignees
- 130
- Inventors
- 331
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 2 |
| 2003 | 3 | 0 |
| 2004 | 0 | 1 |
| 2005 | 2 | 2 |
| 2006 | 1 | 4 |
| 2007 | 2 | 3 |
| 2008 | 4 | 6 |
| 2009 | 1 | 3 |
| 2010 | 2 | 3 |
| 2011 | 3 | 5 |
| 2012 | 6 | 7 |
| 2013 | 6 | 9 |
| 2014 | 9 | 7 |
| 2015 | 4 | 8 |
| 2016 | 4 | 9 |
| 2017 | 3 | 7 |
| 2018 | 3 | 10 |
| 2019 | 10 | 16 |
| 2020 | 12 | 16 |
| 2021 | 19 | 9 |
| 2022 | 11 | 10 |
| 2023 | 8 | 8 |
| 2024 | 9 | 13 |
| 2025 | 11 | 13 |
| 2026 | 9 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Valve module system28 Jul 2026US 12,692,880 B2Festo AG & Co.
- Hydraulic drive system having a 2×2Q pump unit19 May 2026US 12,631,200 B2HMS-HYBRID MOTION SOLUTIONS GmbH
- Pneumohydraulic pressure intensifier12 May 2026US 12,624,710 B2WS Wieländer + Schill Engineering GmbH & Co. KG
- Hydraulic drive system5 May 2026US 12,618,419 B2HMS-HYBRID MOTION SOLUTIONS GmbH
- Hydraulic actuator and method for operating5 May 2026US 12,618,420 B2Airbus Operations GmbH
- Integrated Electrohydraulic Actuator30 Jul 2026US 2026/0218734 A1Parker-Hannifin Corporation
- Three servovalve thrust reverser actuator system23 Jul 2026US 2026/0210311 A1
- Electro-Hydraulic Actuator Assembly with a Fluid Access Port11 Jun 2026US 2026/0160279 A1Parker-Hannifin Corporation
- Fluid level indicator for a hydraulic reservoir4 Jun 2026US 2026/0153103 A1Embraer S.A.
- Medium pressure accumulator with fast fill supply valve and brake system using same21 May 2026US 2026/0138577 A1ZF Active Safety US Inc.
Most cited
By later US patents
- Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange97US 8,065,874 B2Lightsale Energy, Inc. · 2011
- Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange90US 8,240,142 B2LightSail Energy, Inc. · 2012
- Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange86US 8,191,360 B2LightSail Energy, Inc. · 2012
- Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange81US 8,191,361 B2LightSail Energy, Inc. · 2012
- Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange80US 8,201,402 B2LightSail Energy, Inc. · 2012