F03C 1/0647
Particularities in the contacting area between cylinder barrel and valve plate
Official title: {Particularities in the contacting area between cylinder barrel and valve plate}
F03C1/0647 (Particularities in the contacting area between cylinder barrel and valve plate) appears on 22 US grants and 26 published applications in this corpus.
Search patents in F03C- Granted patents
- 22
- Published applications
- 26
- Assignees
- 11
- Inventors
- 59
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 3 |
| 2017 | 1 | 0 |
| 2018 | 2 | 0 |
| 2019 | 0 | 4 |
| 2020 | 1 | 1 |
| 2021 | 4 | 3 |
| 2022 | 0 | 4 |
| 2023 | 5 | 4 |
| 2024 | 2 | 3 |
| 2025 | 2 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hydraulic axial piston machine25 Aug 2026US 12,716,356 B2Danfoss A/S
- Actuation system for a motor6 Jan 2026US 12,516,662 B2Dana Motion Systems Italia S.R.L.
- Method for self-compensation structure of cam-lobe hydraulic motor plate distribution system23 Dec 2025US 12,503,993 B2Zhejiang University
- Valve plate, cylinder block, and hydraulic pump/motor7 Jan 2025US 12,188,459 B2Komatsu Ltd.
- Hydraulic pump/motor28 May 2024US 11,994,097 B2Komatsu Ltd.
- Control plate for a hydraulic machine29 Jan 2026US 2026/0028970 A1
- Actuation system for a motor26 Sep 2024US 2024/0318642 A1Dana Motion Systems Italia S.R.L.
- Design method for self-compensation structure of cam-lobe hydraulic motor plate distribution system22 Aug 2024US 2024/0280120 A1Zhejiang University
- Sealing assembly and hydraulic piston pump / motor18 Apr 2024US 2024/0125310 A1Dana Motion Systems Italia S.R.L.
- Valve plate, cylinder block, and hydraulic pump/motor28 Sep 2023US 2023/0304481 A1Komatsu Ltd.
Most cited
By later US patents
- Hydraulic pump/motor9US 10,018,174 B2Komatsu Ltd. · 2018
- Hydraulic axial piston motor9US 5,752,428 ADanfoss A/S · 1998
- Hydraulic axial piston motor with piston-cylinder arrangement located between the cylinder drum and the control plate4US 5,730,043 ADanfoss A/S · 1998
- Hydraulic motor2US 10,125,752 B1Hydro-Gear Limited Partnership · 2018
- Hydraulic motor with shift transmission2US 6,568,311 B2Sauer-Danfoss Inc. · 2003