F03C 1/247
With cylinders in star- or fan-arrangement , the connection of the pistons
Official title: with cylinders in star- or fan-arrangement {, the connection of the pistons with an actuated element being at the outer ends of the cylinders}
F03C1/247 (With cylinders in star- or fan-arrangement , the connection of the pistons) appears on 11 US grants and 10 published applications in this corpus.
Search patents in F03C- Granted patents
- 11
- Published applications
- 10
- Assignees
- 4
- Inventors
- 15
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 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 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 2 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydrostatic rotating machine with radial pistons and with improved distribution17 Feb 2026US 12,553,501 B2Robert Bosch GmbH
- Harmonic distribution radial piston hydraulic machine20 Jul 2021US 11,067,066 B2Poclain Hydraulics Industrie
- Hydraulic transmission circuit1 Aug 2017US 9,719,593 B2Poclain Hydraulics Industrie
- Hydraulic transmission circuit with multiple capacities6 Dec 2016US 9,512,859 B2Poclain Hydraulics Industrie
- Rotary cam radial steam engine27 Sep 2016US 9,453,411 B2
- Hydrostatic Rotating Machine with Radial Pistons and with Improved Distribution1 May 2025US 2025/0137517 A1Robert Bosch GmbH
- Harmonic Distribution Radial Piston Hydraulic Machine5 Jul 2018US 2018/0187661 A1Poclain Hydraulics Industrie
- Rotary Cam Radial Steam Engine2 Feb 2017US 2017/0030193 A1
- Rotary cam radial steam engine12 Sep 2013US 2013/0233259 A1
- Hydraulic transmission circuit with multiple capacities18 Jul 2013US 2013/0180237 A1Poclain Hydraulics Industrie
Most cited
By later US patents
- Hydraulic motor with radial pistons and control by cylinder6US 9,074,578 B2Poclain Hydraulics Industrie · 2015
- Hydraulic pump or motor3US 7,603,941 B2Poclain Hydraulics Industrie · 2009
- Hydraulic motor2US 4,508,010 A1985
- Rotational hydraulic transformer2US 6,109,884 AHirose Valve Industry Co. Ltd. · 2000
- Hydraulic motor2US 7,225,721 B2Poclain Hydraulics Industrie · 2007