F15B 2211/87
Detection of failures
F15B2211/87 (Detection of failures) appears on 137 US grants and 174 published applications in this corpus.
Search patents in F15B- Granted patents
- 137
- Published applications
- 174
- Assignees
- 109
- Inventors
- 376
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 2 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 3 |
| 2007 | 2 | 1 |
| 2008 | 2 | 2 |
| 2009 | 2 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 2 |
| 2013 | 2 | 4 |
| 2014 | 2 | 7 |
| 2015 | 4 | 9 |
| 2016 | 7 | 7 |
| 2017 | 7 | 7 |
| 2018 | 3 | 14 |
| 2019 | 10 | 17 |
| 2020 | 14 | 21 |
| 2021 | 12 | 18 |
| 2022 | 23 | 12 |
| 2023 | 10 | 17 |
| 2024 | 11 | 10 |
| 2025 | 15 | 7 |
| 2026 | 7 | 8 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Hydraulic power steering system25 Aug 2026US 12,715,501 B2Hydac New Technologies GmbH
- Hydraulic cylinder monitoring11 Aug 2026US 12,704,137 B2The Heil Co.
- Cylinder failure prediction system and method, and cylinder failure inspection system and method7 Jul 2026US 12,674,477 B2LG Energy Solution, Ltd.
- Method for diagnosing a state of deterioration of an uplock26 May 2026US 12,637,204 B2Safran Landing Systems
- Stability and control augmentation system actuator10 Mar 2026US 12,570,393 B2Microtecnica S.R.L.
- Leakage cause discrimination system and leakage cause discrimination method20 Aug 2026US 2026/0243281 A1KYB Corporation
- Hydraulic Isolation Cylinder-Based System6 Aug 2026US 2026/0226921 A1SRI Energy, Inc.
- Hydraulic Device with a Status Display16 Jul 2026US 2026/0201913 A1Robert Bosch GmbH
- Flow Analysis-Based Cylinder Monitoring Apparatus and Method16 Jul 2026US 2026/0201914 A1LG Energy Solution, Ltd.
- Construction machine9 Jul 2026US 2026/0193869 A1Hitachi Construction Machinery Co., Ltd.
Most cited
By later US patents
- Valve arrangement25US 7,398,796 B2Sauer-Danfoss ApS · 2008
- Method and apparatus for determining the status of a relief valve15US 6,408,676 B1Caterpillar Inc. · 2002
- Methods and apparatus for operating and performing diagnostics in a control loop of a control valve14US 6,999,853 B2Fisher Controls International LLC · 2006
- Differential configuration of remote hydraulic valve flow rates for extend and retract modes of operation13US 6,561,076 B2Case Corporation · 2003
- Valve arrangement11US 7,198,065 B2Sauer-Danfoss ApS · 2007