F15B 13/026
Pressure compensating valves
Official title: {Pressure compensating valves}
F15B13/026 (Pressure compensating valves) appears on 70 US grants and 81 published applications in this corpus.
Search patents in F15B- Granted patents
- 70
- Published applications
- 81
- Assignees
- 49
- Inventors
- 201
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 3 |
| 2014 | 0 | 2 |
| 2015 | 2 | 8 |
| 2016 | 2 | 11 |
| 2017 | 4 | 5 |
| 2018 | 8 | 5 |
| 2019 | 10 | 6 |
| 2020 | 8 | 7 |
| 2021 | 7 | 7 |
| 2022 | 8 | 6 |
| 2023 | 4 | 3 |
| 2024 | 6 | 7 |
| 2025 | 5 | 4 |
| 2026 | 3 | 3 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Valve section and hydraulic valve assembly22 Sep 2026US 12,742,463 B2HAWE Hydraulik SE
- Hydraulic distributor with pressure compensator for directional valves18 Aug 2026US 12,710,062 B2Walvoil S.P.A.
- Drive control device for rotating work machine and rotating work machine provided with same16 Jun 2026US 12,655,607 B2Kobelco Construction Machinery Co., Ltd.
- Hydraulic control system in working machine9 Sep 2025US 12,410,588 B2Caterpillar SARL
- Valve device29 Jul 2025US 12,372,157 B2KYB Corporation
- Fluid pressure circuit3 Sep 2026US 2026/0258821 A1Eagle Industry Co., Ltd.
- Pressure compensation valve and hydraulic control system28 May 2026US 2026/0145919 A1Zhejiang Senstren Technology Co., LTD
- Valve section and hydraulic valve assembly1 Jan 2026US 2026/0002550 A1HAWE Hydraulik SE
- Electric power take-off pump control systems6 Nov 2025US 2025/0340364 A1Oshkosh Corporation
- Drive control device for rotating work machine and rotating work machine provided with same25 Sep 2025US 2025/0297454 A1Kobelco Construction Machinery Co., Ltd.
Most cited
By later US patents
- Hydraulic valve with pressure limiter10US 9,027,589 B2Parker-Hannifin Corporation · 2015
- Air-to-hydraulic fluid pressure amplifier9US 9,926,947 B22018
- Hydraulic driving device of work machine8US 10,184,228 B2Hitachi Construction Machinery Co., Ltd. · 2019
- Load sensing control circuit7US 10,024,342 B2KYB Corporation · 2018
- Flow control valve for construction machine7US 9,103,355 B2Volvo Construction Equipment AB · 2015