F15B 11/166
Controlling a pilot pressure in response to the load, i.e. supply to
Official title: {Controlling a pilot pressure in response to the load, i.e. supply to at least one user is regulated by adjusting either the system pilot pressure or one or more of the individual pilot command pressures}
F15B11/166 (Controlling a pilot pressure in response to the load, i.e. supply to) appears on 61 US grants and 64 published applications in this corpus.
Search patents in F15B- Granted patents
- 61
- Published applications
- 64
- Assignees
- 49
- Inventors
- 146
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 2 |
| 2003 | 2 | 2 |
| 2004 | 2 | 0 |
| 2005 | 0 | 2 |
| 2006 | 2 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 3 |
| 2009 | 2 | 3 |
| 2010 | 2 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 2 | 1 |
| 2015 | 1 | 9 |
| 2016 | 3 | 4 |
| 2017 | 3 | 2 |
| 2018 | 3 | 4 |
| 2019 | 4 | 4 |
| 2020 | 5 | 3 |
| 2021 | 4 | 5 |
| 2022 | 4 | 7 |
| 2023 | 5 | 1 |
| 2024 | 2 | 3 |
| 2025 | 3 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Hydraulic valve bank and mobile hydraulic system29 Apr 2025US 12,286,981 B2HAWE Hydraulik SE
- Hydraulic system for working machine4 Mar 2025US 12,241,230 B2Kubota Corporation
- Work machine11 Feb 2025US 12,221,769 B2Hitachi Construction Machinery Co., Ltd.
- Hydraulic system for working machine19 Nov 2024US 12,146,298 B2Kubota Corporation
- Work Machine13 Aug 2026US 2026/0234907 A1Hitachi Construction Machinery Co., Ltd.
- System and method for controlling hydraulic fluid flow within a work vehicle9 Oct 2025US 2025/0314046 A1CNH Industrial America LLC
- Hydraulic valve bank and mobile hydraulic system26 Dec 2024US 2024/0426323 A1HAWE Hydraulik SE
- Hydraulic system for working machine22 Feb 2024US 2024/0060273 A1Kubota Corporation
- Hydraulic system for working machine15 Feb 2024US 2024/0052597 A1Kubota Corporation
Most cited
By later US patents
- Load-sensing active hydraulic control device for multiple actuators32US 5,347,811 AKayaba Industry Co., Ltd. · 1994
- Control device for hydraulic drive machine17US 6,173,573 B1Komatsu Ltd. · 2001
- Variable pilot pressure control for pilot valves14US 6,305,419 B1Clark Equipment Company · 2001
- Hydraulic system for controlling an attachment to a work machine such as thumb attachment used on an excavator14US 6,450,081 B1Caterpillar Inc. · 2002
- Control device for hydraulic drive machine11US 6,438,953 B1Komatsu Ltd. · 2002