F04B 27/065
Having cylinders in star- or fan-arrangement, the connection of the pistons with
Official title: {having cylinders in star- or fan-arrangement, the connection of the pistons with an actuating element being at the inner ends of the cylinders}
F04B27/065 (Having cylinders in star- or fan-arrangement, the connection of the pistons with) appears on 15 US grants and 10 published applications in this corpus.
Search patents in F04B- Granted patents
- 15
- Published applications
- 10
- Assignees
- 10
- Inventors
- 30
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 2 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 2 | 2 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Straight axis variable displacement piston pump with rotating swash plate14 Apr 2026US 12,601,333 B2Hamilton Sundstrand Corporation
- Unified air compressor12 Nov 2024US 12,140,128 B2
- Unified air compressor11 Jul 2023US 11,698,060 B2
- Rotary cylinder piston compressor pump and compressor with rotary cylinder piston compressor pump31 Jan 2023US 11,566,619 B2Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
- Rolling cylinder displacement compressor13 Oct 2020US 10,801,483 B2Hitachi-Johnson Controls Air Conditioning, Inc.
- Straight axis variable displacement piston pump with rotating swash plate25 Dec 2025US 2025/0389259 A1Hamilton Sundstrand Corporation
- Radial piston rotary machine15 Aug 2024US 2024/0271624 A1Up-Steel, S.R.O.
- Devices and methods for handling a fluid working medium16 Nov 2023US 2023/0371377 A1
- Unified air compressor14 Sep 2023US 2023/0287889 A1
- Unified air compressor13 Oct 2022US 2022/0325707 A1
Most cited
By later US patents
- Two rotor sliding vane compressor16US 5,567,139 A1996
- Two rotor sliding vane compressor15US 5,681,153 ACarrier Corporation · 1997
- Crossed piston compressor with vernier offset port means9US 4,936,111 ABattelle Memorial Institute · 1990
- Rotary piston machine8US 4,137,019 A1979
- Rotating-cylinder compressor4US 5,478,218 A1995