F15B 1/26
Supply reservoir or sump assemblies
F15B1/26 (Supply reservoir or sump assemblies) appears on 604 US grants and 642 published applications in this corpus.
Search patents in F15B- Granted patents
- 604
- Published applications
- 642
- Assignees
- 402
- Inventors
- 1,335
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 6 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 14 | 4 |
| 2002 | 8 | 7 |
| 2003 | 11 | 8 |
| 2004 | 7 | 14 |
| 2005 | 7 | 8 |
| 2006 | 5 | 9 |
| 2007 | 8 | 13 |
| 2008 | 8 | 13 |
| 2009 | 3 | 7 |
| 2010 | 6 | 9 |
| 2011 | 9 | 15 |
| 2012 | 10 | 21 |
| 2013 | 16 | 29 |
| 2014 | 20 | 25 |
| 2015 | 21 | 30 |
| 2016 | 21 | 20 |
| 2017 | 15 | 45 |
| 2018 | 19 | 47 |
| 2019 | 43 | 42 |
| 2020 | 48 | 46 |
| 2021 | 45 | 36 |
| 2022 | 41 | 43 |
| 2023 | 33 | 41 |
| 2024 | 34 | 38 |
| 2025 | 46 | 36 |
| 2026 | 26 | 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
- 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.
- Valve module system28 Jul 2026US 12,692,880 B2Festo AG & Co.
- Helical hydraulic hose configuration14 Jul 2026US 12,678,981 B2Sanctuary Cognitive Systems Corporation
- Hydraulic System8 Oct 2026US 2026/0309169 A1Caterpillar SARL
- Charging system of a hydraulic accumulator for an agricultural or work vehicle17 Sep 2026US 2026/0276010 A1CNH Industrial Italia S.p.A.
- Oil tank for turbine engine with centrifugal impeller compatible with negative g10 Sep 2026US 2026/0264843 A1Safran Aero Boosters SA
- Variable blade float3 Sep 2026US 2026/0258636 A1Deere & Company
- Drive mechanism and tilt-trim device27 Aug 2026US 2026/0249968 A1Astemo, Ltd.
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