F04B 1/0435
Arrangements for disconnecting the pistons from the actuated cam
F04B1/0435 (Arrangements for disconnecting the pistons from the actuated cam) appears on 15 US grants and 15 published applications in this corpus.
Search patents in F04B- Granted patents
- 15
- Published applications
- 15
- Assignees
- 14
- Inventors
- 32
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 0 | 4 |
| 2016 | 2 | 1 |
| 2017 | 2 | 2 |
| 2018 | 1 | 0 |
| 2019 | 2 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
| 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.
- Gas supply pump for ship dual fuel engine11 Mar 2025US 12,247,564 B2Hyundai Heavy Industries Co., Ltd.
- Piston in piston variable displacement hydraulic device28 May 2024US 11,994,121 B1Tonand Inc.
- High-pressure fuel pump and pressure control device21 May 2019US 10,294,905 B2Continental Automotive GmbH
- Mechanical fuel pump deactivation30 Apr 2019US 10,273,945 B2Cummins Inc.
- Piston in piston variable displacement hydraulic device30 Jul 2026US 2026/0218690 A1
- Gas supply pump for ship dual fuel engine21 May 2026US 2026/0139646 A1Hd Korea Shipbuilding & Offshore Engineering Co., Ltd.
- Gas supply pump for ship dual fuel engine29 May 2025US 2025/0172132 A1Hyundai Heavy Industries Co., Ltd.
- Piston in piston variable displacement hydraulic device12 Dec 2024US 2024/0410345 A1
- Gas supply pump for ship dual fuel engine13 Jul 2023US 2023/0220838 A1Hyundai Heavy Industries Co., Ltd.
Most cited
By later US patents
- Structure for plunger pump18US 5,320,498 AUnisia Jecs Corporation · 1994
- Radial piston engine12US 5,090,295 AMannesman Rexroth GmbH · 1992
- High pressure fuel pump delivery control by piston deactivation10US 6,866,025 B1Siemens VDO Automotive Corporation · 2005
- Radial piston pump for high-pressure fuel delivery5US 6,244,832 B1Robert Bosch GmbH · 2001
- Hydraulic pump and motor assemblies for vehicle hydraulic systems4US 4,966,530 A501 Lucas Industries Public Ltd. Company · 1990