F04B 1/0426
Arrangements for pressing the pistons against the actuated cam
Official title: Arrangements for pressing the pistons against the actuated cam; Arrangements for connecting the pistons to the actuated cam
F04B1/0426 (Arrangements for pressing the pistons against the actuated cam) appears on 173 US grants and 173 published applications in this corpus.
Search patents in F04B- Granted patents
- 173
- Published applications
- 173
- Assignees
- 98
- Inventors
- 399
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 8 | 5 |
| 2003 | 7 | 7 |
| 2004 | 7 | 11 |
| 2005 | 6 | 2 |
| 2006 | 2 | 5 |
| 2007 | 1 | 3 |
| 2008 | 3 | 4 |
| 2009 | 1 | 3 |
| 2010 | 3 | 4 |
| 2011 | 1 | 9 |
| 2012 | 4 | 8 |
| 2013 | 4 | 10 |
| 2014 | 4 | 6 |
| 2015 | 4 | 11 |
| 2016 | 8 | 13 |
| 2017 | 11 | 12 |
| 2018 | 15 | 11 |
| 2019 | 12 | 5 |
| 2020 | 6 | 8 |
| 2021 | 3 | 2 |
| 2022 | 6 | 8 |
| 2023 | 5 | 10 |
| 2024 | 4 | 7 |
| 2025 | 6 | 3 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- High-pressure water pump lubricated by water or aqueous solution19 May 2026US 12,631,177 B2Shanghai Wave Rider Fluid Technology Co., Ltd.
- Compact volumetric pump19 May 2026US 12,631,293 B2Dana Italia S.R.L.
- Wind turbine generator with hydraulic pump21 Apr 2026US 12,607,166 B2Delft Offshore Turbine B.V.
- Sliding cam follower10 Mar 2026US 12,571,364 B2Cummins-Scania HPCR System, LLC
- Gas supply pump for ship dual fuel engine3 Feb 2026US 12,540,591 B2Hd Korea Shipbuilding & Offshore Engineering Co., Ltd.
- Improved pressure adapter for hydraulic system8 Oct 2026US 2026/0309122 A1Poclain Hydraulics Industrie
- Radial piston compressor and method for the assembly of a radial piston compressor23 Jul 2026US 2026/0210345 A1thyssenkrupp AG
- High Pressure Fuel Pump With Configuration To Mitigate Cavitation9 Jul 2026US 2026/0194033 A1
- Gas supply pump for ship dual fuel engine21 May 2026US 2026/0139646 A1Hd Korea Shipbuilding & Offshore Engineering Co., Ltd.
- Compact volumetric pump19 Mar 2026US 2026/0078870 A1Dana Italia S.R.L.
Most cited
By later US patents
- Variable speed hydraulic pump75US 6,863,502 B2Actuant Corporation · 2005
- Fuel pump for an internal combustion engine57US 6,951,165 B2Robert Bosch GmbH · 2005
- Mechanically operated dispensing device for increasing discharge pressure and dispensing time41US 4,167,941 AJames D. Pauls, Ltd. (Limited Partnership) · 1979
- Hybrid control method for fuel pump using intermittent recirculation at low and high engine speeds28US 6,694,950 B2Stanadyne, Inc. · 2004
- Radial-piston pump26US 5,382,140 AElasis Sistema Ricerca Fiat Nel Mezzogiorno · 1995