F15B 11/032
By means of fluid-pressure converters
Official title: by means of fluid-pressure converters
F15B11/032 (By means of fluid-pressure converters) appears on 150 US grants and 132 published applications in this corpus.
Search patents in F15B- Granted patents
- 150
- Published applications
- 132
- Assignees
- 87
- Inventors
- 277
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 4 |
| 2003 | 4 | 6 |
| 2004 | 3 | 4 |
| 2005 | 4 | 3 |
| 2006 | 1 | 2 |
| 2007 | 4 | 4 |
| 2008 | 1 | 1 |
| 2009 | 1 | 5 |
| 2010 | 3 | 2 |
| 2011 | 2 | 7 |
| 2012 | 4 | 5 |
| 2013 | 3 | 5 |
| 2014 | 4 | 8 |
| 2015 | 3 | 6 |
| 2016 | 3 | 6 |
| 2017 | 4 | 2 |
| 2018 | 4 | 7 |
| 2019 | 8 | 7 |
| 2020 | 9 | 7 |
| 2021 | 4 | 10 |
| 2022 | 6 | 3 |
| 2023 | 5 | 6 |
| 2024 | 3 | 9 |
| 2025 | 11 | 6 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pneumohydraulic pressure intensifier12 May 2026US 12,624,710 B2WS Wieländer + Schill Engineering GmbH & Co. KG
- Hydraulic power boosting system24 Feb 2026US 12,560,181 B2
- Hydraulic isolation cylinder-based system24 Feb 2026US 12,560,182 B1SRI Energy, Inc.
- Hydraulic device14 Oct 2025US 12,442,393 B2Aalborg Universitet
- Fluid circuit7 Oct 2025US 12,435,738 B2Eagle Industry Co., Ltd.
- Hydraulic System with Reservoir Surge Energy Recovery and Inlet Flow Supplement for Surface Engaging Machinery17 Sep 2026US 2026/0271819 A1Parker-Hannifin Corporation
- Hydraulic Isolation Cylinder-Based System6 Aug 2026US 2026/0226921 A1SRI Energy, Inc.
- System for driving a hydraulic member23 Apr 2026US 2026/0110312 A1Poclain Hydraulics Industrie
- Hydraulic circuit using a pressure adapter16 Apr 2026US 2026/0104062 A1Poclain Hydraulics Industrie
- Displacement Power Controllers and Applications5 Mar 2026US 2026/0063150 A1Perisseuma Technologies LLC
Most cited
By later US patents
- Systems and methods for energy storage and recovery using compressed gas96US 7,832,207 B2SustainX, Inc. · 2010
- Systems and methods for energy storage and recovery using rapid isothermal gas expansion and compression73US 7,874,155 B2SustainX, Inc. · 2011
- 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
- Systems and methods for energy storage and recovery using compressed gas63US 7,900,444 B1SustainX, Inc. · 2011
- Oleopneumatic intensifier cylinder50US 5,107,681 ASavair Inc. · 1992