F04B 1/043
Hydraulic arrangements
F04B1/043 (Hydraulic arrangements) appears on 15 US grants and 17 published applications in this corpus.
Search patents in F04B- Granted patents
- 15
- Published applications
- 17
- Assignees
- 12
- Inventors
- 37
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 3 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
| 2023 | 3 | 3 |
| 2024 | 0 | 0 |
| 2025 | 3 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gas supply pump for ship dual fuel engine3 Feb 2026US 12,540,591 B2Hd Korea Shipbuilding & Offshore Engineering Co., Ltd.
- Axial pump assemblies27 May 2025US 12,313,046 B2Milwaukee Electric Tool Corporation
- Gas supply pump for ship dual fuel engine11 Mar 2025US 12,247,564 B2Hyundai Heavy Industries Co., Ltd.
- Turbine and multi piston pump14 Jan 2025US 12,196,186 B2Delft Offshore Turbine B.V.
- Method and system for harnessing wind energy using a tethered airfoil21 Nov 2023US 11,821,500 B2New Leaf Management Ltd.
- Improved pressure adapter for hydraulic system8 Oct 2026US 2026/0309122 A1Poclain Hydraulics Industrie
- Gas supply pump for ship dual fuel engine21 May 2026US 2026/0139646 A1Hd Korea Shipbuilding & Offshore Engineering Co., Ltd.
- Axial pump assemblies7 Aug 2025US 2025/0250971 A1Milwaukee Electric Tool Corporation
- Gas supply pump for ship dual fuel engine29 May 2025US 2025/0172132 A1Hyundai Heavy Industries Co., Ltd.
- Axial Pump Assemblies5 Oct 2023US 2023/0313786 A1Milwaukee Electric Tool Corporation
Most cited
By later US patents
- Constant volume pulsation-free reciprocating pump13US 4,687,426 AFuji Techno Kogyo Kabushiki Kaisha · 1987
- Multi-chamber positive displacement pump9US 6,302,659 B12001
- Fuel pump6US 6,626,148 B1Delphi Technologies, Inc. · 2003
- Radial piston pump4US 6,003,430 AIna Walzlager Schaeffler oHG · 1999
- Hydraulic device comprising an air flow line1US 11,498,411 B2Poclain Hydraulics Industrie · 2022