F04B 27/0663
The rotary cylinder being provided with only one piston, reciprocating within this
Official title: {the rotary cylinder being provided with only one piston, reciprocating within this cylinder}
F04B27/0663 (The rotary cylinder being provided with only one piston, reciprocating within this) appears on 4 US grants and 3 published applications in this corpus.
Search patents in F04B- Granted patents
- 4
- Published applications
- 3
- Assignees
- 3
- Inventors
- 15
- Latest grant
- 31 Jan 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 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 | 1 | 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 | 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 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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- Rotating-cylinder compressor26 Dec 1995US 5,478,218 A
- Rotary piston machine30 Jan 1979US 4,137,019 A
- Radial piston rotary machine15 Aug 2024US 2024/0271624 A1Up-Steel, S.R.O.
- Rotary Cylinder Piston Compressor Pump and Compressor with Rotary Cylinder Piston Compressor Pump18 Nov 2021US 2021/0355943 A1Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
- Rolling cylinder displacement compressor20 Feb 2020US 2020/0056600 A1Hitachi-Johnson Controls Air Conditioning, Inc.
Most cited
By later US patents