F15B 1/02
Installations or systems with accumulators
F15B1/02 (Installations or systems with accumulators) appears on 1,734 US grants and 1,646 published applications in this corpus.
Search patents in F15B- Granted patents
- 1,734
- Published applications
- 1,646
- Assignees
- 800
- Inventors
- 3,056
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 29 | 0 |
| 1977 | 14 | 0 |
| 1978 | 20 | 0 |
| 1979 | 16 | 0 |
| 1980 | 21 | 0 |
| 1981 | 22 | 0 |
| 1982 | 20 | 0 |
| 1983 | 9 | 0 |
| 1984 | 17 | 0 |
| 1985 | 13 | 0 |
| 1986 | 16 | 0 |
| 1987 | 23 | 0 |
| 1988 | 15 | 0 |
| 1989 | 15 | 0 |
| 1990 | 8 | 0 |
| 1991 | 13 | 0 |
| 1992 | 12 | 0 |
| 1993 | 5 | 0 |
| 1994 | 8 | 0 |
| 1995 | 11 | 0 |
| 1996 | 11 | 0 |
| 1997 | 12 | 0 |
| 1998 | 14 | 0 |
| 1999 | 17 | 0 |
| 2000 | 17 | 0 |
| 2001 | 23 | 5 |
| 2002 | 20 | 15 |
| 2003 | 22 | 23 |
| 2004 | 24 | 45 |
| 2005 | 32 | 30 |
| 2006 | 25 | 31 |
| 2007 | 14 | 33 |
| 2008 | 22 | 28 |
| 2009 | 23 | 41 |
| 2010 | 16 | 45 |
| 2011 | 32 | 47 |
| 2012 | 39 | 76 |
| 2013 | 54 | 105 |
| 2014 | 52 | 104 |
| 2015 | 64 | 98 |
| 2016 | 83 | 87 |
| 2017 | 87 | 96 |
| 2018 | 91 | 104 |
| 2019 | 95 | 89 |
| 2020 | 104 | 94 |
| 2021 | 87 | 86 |
| 2022 | 87 | 78 |
| 2023 | 69 | 83 |
| 2024 | 74 | 79 |
| 2025 | 71 | 88 |
| 2026 | 46 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems, devices, and methods for a hydraulic robotic arm6 Oct 2026US 12,752,419 B2Sanctuary Cognitive Systems Corporation
- Auto-compensation-type guide device for moving coil of large-scale vibration table and operation method thereof29 Sep 2026US 12,747,783 B2China University of Mining and Technology
- Belt tensioning system22 Sep 2026US 12,741,821 B2Kuhn S. A.
- Method and apparatus for downhole fluid microsample collection with staged hydraulic actuation22 Sep 2026US 12,742,386 B2Halliburton Energy Services.Inc.
- Harvester implement with dynamically adjustable float system15 Sep 2026US 12,733,581 B2Deere & Company
- Bladder surge suppressor1 Oct 2026US 2026/0298389 A1Young Engineering & Manufacturing, Inc.
- Charging system of a hydraulic accumulator for an agricultural or work vehicle17 Sep 2026US 2026/0276010 A1CNH Industrial Italia S.p.A.
- Static force amplifier17 Sep 2026US 2026/0276011 A1Canrig Robotic Technologies AS
- Actuator for ground engaging machinery3 Sep 2026US 2026/0258819 A1Parker-Hannifin Corporation
- Hauling Vehicle27 Aug 2026US 2026/0249901 A1Hitachi Construction Machinery Co., Ltd.
Most cited
By later US patents
- Fail-safe actuation system926US 9,239,064 B2Moog Inc. · 2016
- Medicament preparation and treatment devices, methods, and systems259US 10,478,544 B2NxStage Medical, Inc. · 2019
- Accumulator engine103US 5,579,640 AThe United States of America as represented by the Administrator of the Environmental Protection Agency · 1996
- Systems and methods for energy storage and recovery using compressed gas96US 7,832,207 B2SustainX, Inc. · 2010
- Hydrostatic bladder-type storage means90US 4,367,786 ADaimler-Benz Aktiengesellschaft · 1983