F03C 1/0409
Cams
Official title: {Cams}
F03C1/0409 (Cams) appears on 21 US grants and 33 published applications in this corpus.
Search patents in F03C- Granted patents
- 21
- Published applications
- 33
- Assignees
- 14
- Inventors
- 83
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 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 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 6 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 2 | 2 |
| 2016 | 2 | 2 |
| 2017 | 1 | 2 |
| 2018 | 2 | 1 |
| 2019 | 1 | 2 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 3 |
| 2025 | 2 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hydrostatic radial piston unit26 May 2026US 12,638,057 B2Danfoss A/S
- 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
- Multi piston machine with at least three switchable displacement volumes2 Sep 2025US 12,404,832 B2Robert Bosch GmbH
- Method and system for harnessing wind energy using a tethered airfoil21 Nov 2023US 11,821,500 B2New Leaf Management Ltd.
- 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
- Fabrication of nanotube bundles and reactors for the same27 Nov 2025US 2025/0361856 A1
- A hydraulic device and a hydraulic system for controlling a hydraulic actuator4 Sep 2025US 2025/0277497 A1Domin Fluid Power Limited
- Design method for self-compensation structure of cam-lobe hydraulic motor plate distribution system22 Aug 2024US 2024/0280120 A1Zhejiang University
Most cited
By later US patents
- Positive-displacement hydraulic motor9US 3,961,558 A1976
- Fluid-working machine with multi-lobe ring cam8US 9,328,720 B2Artemis Intelligent Power Limited · 2016
- Hydraulic motor with radial pistons and control by cylinder6US 9,074,578 B2Poclain Hydraulics Industrie · 2015
- Fluid-powered stepping motor4US 4,068,560 ALucas Industries Limited · 1978
- Fluid rotary machine4US 4,270,439 A1981