F15B 2211/6657
Open loop control, i.e. control without feedback
F15B2211/6657 (Open loop control, i.e. control without feedback) appears on 11 US grants and 12 published applications in this corpus.
Search patents in F15B- Granted patents
- 11
- Published applications
- 12
- Assignees
- 12
- Inventors
- 32
- Latest grant
- 4 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 2 |
| 2018 | 1 | 2 |
| 2019 | 0 | 0 |
| 2020 | 3 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 2 |
| 2024 | 2 | 1 |
| 2025 | 2 | 0 |
| 2026 | 0 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Method for the open-loop control of a pump system4 Mar 2025US 12,241,483 B2ZF Friedrichshafen AG
- Backhoe loader energy recovery and reuse system and control method thereof, and backhoe loader25 Feb 2025US 12,234,625 B2Jiangsu Xcmg Construction Machinery Research Institute Ltd.
- Movement apparatus, tire handling apparatus and method for operation of a fluidic actuator17 Dec 2024US 12,168,988 B2Festo AG & Co.
- Control device and hydraulic system including the same19 Mar 2024US 11,933,331 B2Kawasaki Jukogyo Kabushiki Kaisha
- Hydraulic control circuit for working machine23 Aug 2022US 11,421,715 B2Caterpillar SARL
- Control system5 Feb 2026US 2026/0035884 A1J. C. Bamford Excavators Limited
- Backhoe loader energy recovery and reuse system and control method thereof, and backhoe loader17 Oct 2024US 2024/0344296 A1Jiangsu Xcmg Construction Machinery Research Institute Ltd.
- Method for the Open-Loop Control of a Pump System28 Dec 2023US 2023/0417259 A1ZF Friedrichshafen AG
- Control device and hydraulic system including the same8 Jun 2023US 2023/0175536 A1Kawasaki Jukogyo Kabushiki Kaisha
- Hydraulic control circuit for working machine14 Apr 2022US 2022/0112688 A1Caterpillar SARL
Most cited
By later US patents
- Auto-calibration of a solenoid operated valve29US 6,397,655 B1HUSCO International, Inc. · 2002
- Near synchronous distributed hydraulic motor driven actuation system7US 10,538,310 B2Parker-Hannifin Corporation · 2020
- Control device and control method for working mechanism of construction vehicle3US 8,548,693 B2Komatsu Ltd. · 2013
- Hydraulic control circuit for working machine2US 11,421,715 B2Caterpillar SARL · 2022