F15B 1/00
Installations or systems with accumulators
Official title: Installations or systems with accumulators; Supply reservoir or sump assemblies
F15B1/00 (Installations or systems with accumulators) appears on 2,266 US grants and 2,198 published applications in this corpus.
Search patents in F15B- Granted patents
- 2,266
- Published applications
- 2,198
- Assignees
- 1,038
- Inventors
- 4,112
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 36 | 0 |
| 1977 | 19 | 0 |
| 1978 | 26 | 0 |
| 1979 | 18 | 0 |
| 1980 | 27 | 0 |
| 1981 | 23 | 0 |
| 1982 | 23 | 0 |
| 1983 | 12 | 0 |
| 1984 | 21 | 0 |
| 1985 | 17 | 0 |
| 1986 | 17 | 0 |
| 1987 | 24 | 0 |
| 1988 | 16 | 0 |
| 1989 | 19 | 0 |
| 1990 | 9 | 0 |
| 1991 | 15 | 0 |
| 1992 | 14 | 0 |
| 1993 | 9 | 0 |
| 1994 | 14 | 0 |
| 1995 | 13 | 0 |
| 1996 | 12 | 0 |
| 1997 | 12 | 0 |
| 1998 | 17 | 0 |
| 1999 | 20 | 0 |
| 2000 | 21 | 0 |
| 2001 | 35 | 8 |
| 2002 | 27 | 22 |
| 2003 | 33 | 31 |
| 2004 | 31 | 58 |
| 2005 | 39 | 37 |
| 2006 | 30 | 40 |
| 2007 | 21 | 45 |
| 2008 | 30 | 41 |
| 2009 | 26 | 48 |
| 2010 | 22 | 54 |
| 2011 | 41 | 61 |
| 2012 | 49 | 92 |
| 2013 | 70 | 132 |
| 2014 | 69 | 129 |
| 2015 | 83 | 126 |
| 2016 | 100 | 109 |
| 2017 | 105 | 137 |
| 2018 | 109 | 148 |
| 2019 | 137 | 126 |
| 2020 | 147 | 129 |
| 2021 | 123 | 116 |
| 2022 | 120 | 110 |
| 2023 | 95 | 112 |
| 2024 | 95 | 107 |
| 2025 | 109 | 117 |
| 2026 | 66 | 63 |
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
- Vehicle suspension system with roll moment distribution control6 Oct 2026US 12,752,583 B2Advanced Suspension Technology LLC
- System for returning fluid from hydraulic devices of work machines6 Oct 2026US 12,753,579 B2Caterpillar Inc.
- 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.
- Hydraulic System8 Oct 2026US 2026/0309169 A1Caterpillar SARL
- 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
- Oil tank for turbine engine with centrifugal impeller compatible with negative g10 Sep 2026US 2026/0264843 A1Safran Aero Boosters SA
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
- Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange97US 8,065,874 B2Lightsale Energy, Inc. · 2011
- Systems and methods for energy storage and recovery using compressed gas96US 7,832,207 B2SustainX, Inc. · 2010