F03C 1/0403
Details, component parts specially adapted of such engines
Official title: {Details, component parts specially adapted of such engines}
F03C1/0403 (Details, component parts specially adapted of such engines) appears on 129 US grants and 109 published applications in this corpus.
Search patents in F03C- Granted patents
- 129
- Published applications
- 109
- Assignees
- 58
- Inventors
- 243
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 1 |
| 2002 | 5 | 2 |
| 2003 | 1 | 2 |
| 2004 | 3 | 5 |
| 2005 | 2 | 4 |
| 2006 | 1 | 2 |
| 2007 | 4 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 4 |
| 2010 | 1 | 1 |
| 2011 | 1 | 2 |
| 2012 | 4 | 7 |
| 2013 | 1 | 4 |
| 2014 | 1 | 5 |
| 2015 | 2 | 7 |
| 2016 | 4 | 3 |
| 2017 | 4 | 8 |
| 2018 | 3 | 7 |
| 2019 | 6 | 7 |
| 2020 | 8 | 5 |
| 2021 | 4 | 5 |
| 2022 | 6 | 6 |
| 2023 | 3 | 3 |
| 2024 | 5 | 7 |
| 2025 | 4 | 6 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F03C 1/0435Particularities relating to the distribution members62
- F03C 1/0409Cams21
- F03C 1/0406Pistons16
- F03C 1/0425Disconnecting the pistons from the actuated cam10
- F03C 1/0419Arrangements for pressing or connecting the pistons against the actuated cam9
- F03C 1/0415Cylinders7
- F03C 1/0428Supporting and guiding means for the pistons7
- F03C 1/0431Draining of the engine housing7
Recent patents
- Hydrostatic radial piston unit26 May 2026US 12,638,057 B2Danfoss A/S
- Thermo-magnetic motor10 Mar 2026US 12,571,357 B1
- Hydrostatic rotating machine with radial pistons and with improved distribution17 Feb 2026US 12,553,501 B2Robert Bosch GmbH
- Hydrostatic radial piston unit13 Jan 2026US 12,523,201 B2Danfoss A/S
- Method for self-compensation structure of cam-lobe hydraulic motor plate distribution system23 Dec 2025US 12,503,993 B2Zhejiang University
- Hydrostatic Rotary Machine Having Pins That Engage Grooves of a Cam Ring24 Sep 2026US 2026/0286928 A1Robert Bosch GmbH
- Hydraulic machine6 Aug 2026US 2026/0226967 A1Danfoss Scotland Limited
- Improved assembly structure for a steering yoke of a hydraulic machine11 Jun 2026US 2026/0159156 A1Poclain Hydraulics Industrie
- Improved support structure for a steering member4 Jun 2026US 2026/0152226 A1Poclain Hydraulics Industrie
- Hydraulic machine comprising a dog brake18 Dec 2025US 2025/0382939 A1
Most cited
By later US patents
- Hydro-electric hybrid drive system for motor vehicle46US 7,841,432 B2Bosch Rexroth AG · 2010
- Rotary hydrostatic radial piston machines44US 4,686,829 AUnipat AG · 1987
- Rotary cam internal combustion radial engine37US 3,964,450 A1976
- Bearing device for supporting a wheel and equipped with braking means23US 6,357,558 B1Poclain Hydraulics Industrie · 2002
- Fluid mechanism with axially movable valve-seat21US 4,326,450 APoclain Hydraulics · 1982