F15B 2211/405
Characterised by the type of flow control means or valve
Official title: characterised by the type of flow control means or valve
F15B2211/405 (Characterised by the type of flow control means or valve) appears on 1,352 US grants and 987 published applications in this corpus.
Search patents in F15B- Granted patents
- 1,352
- Published applications
- 987
- Assignees
- 605
- Inventors
- 2,315
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 33 | 0 |
| 1977 | 18 | 0 |
| 1978 | 12 | 0 |
| 1979 | 16 | 0 |
| 1980 | 17 | 0 |
| 1981 | 13 | 0 |
| 1982 | 22 | 0 |
| 1983 | 11 | 0 |
| 1984 | 16 | 0 |
| 1985 | 14 | 0 |
| 1986 | 14 | 0 |
| 1987 | 22 | 0 |
| 1988 | 16 | 0 |
| 1989 | 12 | 0 |
| 1990 | 7 | 0 |
| 1991 | 22 | 0 |
| 1992 | 14 | 0 |
| 1993 | 17 | 0 |
| 1994 | 22 | 0 |
| 1995 | 17 | 0 |
| 1996 | 15 | 0 |
| 1997 | 18 | 0 |
| 1998 | 27 | 0 |
| 1999 | 29 | 0 |
| 2000 | 29 | 0 |
| 2001 | 48 | 6 |
| 2002 | 30 | 24 |
| 2003 | 29 | 44 |
| 2004 | 40 | 32 |
| 2005 | 32 | 37 |
| 2006 | 27 | 34 |
| 2007 | 26 | 33 |
| 2008 | 24 | 28 |
| 2009 | 16 | 26 |
| 2010 | 17 | 24 |
| 2011 | 22 | 32 |
| 2012 | 14 | 28 |
| 2013 | 26 | 26 |
| 2014 | 21 | 28 |
| 2015 | 23 | 52 |
| 2016 | 38 | 40 |
| 2017 | 30 | 39 |
| 2018 | 38 | 46 |
| 2019 | 49 | 64 |
| 2020 | 63 | 72 |
| 2021 | 62 | 57 |
| 2022 | 45 | 62 |
| 2023 | 53 | 48 |
| 2024 | 43 | 46 |
| 2025 | 55 | 42 |
| 2026 | 28 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F15B 2211/40515With variable throttles or orificesIndexing code750
- F15B 2211/40507With constant throttles or orificesIndexing code321
- F15B 2211/40576Assemblies of multiple valvesIndexing code292
- F15B 2211/40523With flow dividersIndexing code183
- F15B 2211/40553With pressure compensating valvesIndexing code126
- F15B 2211/40546With flow combinersIndexing code20
Recent patents
- Hydraulic power steering system25 Aug 2026US 12,715,501 B2Hydac New Technologies GmbH
- Temperature regulation system for vehicle hydraulic system25 Aug 2026US 12,716,434 B2Oshkosh Corporation
- Hydraulic braking energy utilization for emergency steering, braking, charging accumulator(s), and/or work functions to reduce or prevent engine from overspeed, assist acceleration and/or unlimited towing21 Jul 2026US 12,687,181 B2Applied Industrial Technologies, Inc.
- Hydraulic drive apparatus21 Jul 2026US 12,687,182 B2Kawasaki Jukogyo Kabushiki Kaisha
- Fluid controller21 Jul 2026US 12,687,183 B2Kawasaki Jukogyo Kabushiki Kaisha
- Fluid pressure circuit3 Sep 2026US 2026/0258821 A1Eagle Industry Co., Ltd.
- Hauling Vehicle27 Aug 2026US 2026/0249901 A1Hitachi Construction Machinery Co., Ltd.
- Integrated Electrohydraulic Actuator30 Jul 2026US 2026/0218734 A1Parker-Hannifin Corporation
- Operator group, especially for an operator vehicle25 Jun 2026US 2026/0176118 A1Manitou Italia S.R.L.
- Asphalt finisher4 Jun 2026US 2026/0152905 A1Sumitomo Construction Machinery Co., Ltd.
Most cited
By later US patents
- Pneumatically operated mechanism1,103US 6,050,172 AEmhart Glass S. A. · 2000
- Enhanced computer optimized adaptive suspension system and method196US 6,502,837 B1Kenmar Company Trust · 2003
- Enhanced computer optimized adaptive suspension system and method172US 7,076,351 B2Great Northern Technologies, LLC · 2006
- Automotive hydraulic system and method for driving a hydraulic accessory in parallel with a power steering unit108US 6,073,536 A2000
- Systems and methods for energy storage and recovery using compressed gas96US 7,832,207 B2SustainX, Inc. · 2010