F03C 1/0406
Pistons
Official title: {Pistons}
F03C1/0406 (Pistons) appears on 16 US grants and 17 published applications in this corpus.
Search patents in F03C- Granted patents
- 16
- Published applications
- 17
- Assignees
- 10
- Inventors
- 37
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 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 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 3 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 4 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 2 |
| 2025 | 0 | 1 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydrostatic radial piston unit26 May 2026US 12,638,057 B2Danfoss A/S
- Thermo-magnetic motor10 Mar 2026US 12,571,357 B1
- Hydrostatic radial piston unit13 Jan 2026US 12,523,201 B2Danfoss A/S
- Hydraulic piston with a cooling and lubricating gasket valve25 Aug 2020US 10,753,239 B2
- Method of manufacturing a piston for a hydraulic motor having radial pistons3 Sep 2013US 8,522,432 B2Poclain Hydraulics Industrie
- Fabrication of nanotube bundles and reactors for the same27 Nov 2025US 2025/0361856 A1
- Hydrostatic radial piston unit21 Mar 2024US 2024/0093666 A1Danfoss A/S
- Hydrostatic radial piston unit8 Feb 2024US 2024/0044319 A1Danfoss A/S
- Radial piston hydraulic motor comprising hollow rotating shaft inside the motor16 Feb 2023US 2023/0045898 A1Black Bruin Inc.
- Piston hydraulique a valve porte-joint de refroidissement et de lubrification6 Dec 2018US 2018/0347417 A1
Most cited
By later US patents
- Radial piston machine10US 4,747,339 AMannesmann Rexroth GmbH · 1988
- Hydraulic motor with radial propulsors retained against corresponding sliding-contact surfaces by resilient means and by mechanical-retaining means located outside said propulsors7US 5,967,018 ARiva Calzoni S.p.A. · 1999
- Axial piston machine having a control flow fluid line passing through a medial shaft portion2US 4,569,630 A1986
- Slide bearing portions on outer faces of piston shoes2US 4,681,023 A1987
- Pivot portion of a piston shoe in fluid machines2US 4,685,381 A1987