F04B 27/1045
Cylinders
Official title: {Cylinders}
F04B27/1045 (Cylinders) appears on 49 US grants and 56 published applications in this corpus.
Search patents in F04B- Granted patents
- 49
- Published applications
- 56
- Assignees
- 26
- Inventors
- 129
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 6 | 1 |
| 2002 | 4 | 4 |
| 2003 | 2 | 1 |
| 2004 | 2 | 5 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 3 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 2 | 4 |
| 2013 | 0 | 0 |
| 2014 | 1 | 3 |
| 2015 | 1 | 0 |
| 2016 | 0 | 13 |
| 2017 | 4 | 11 |
| 2018 | 6 | 3 |
| 2019 | 3 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Variable displacement swash plate type compressor23 Sep 2025US 12,421,948 B2Hanon Systems
- Carbon free compressor pump system2 Jul 2024US 12,025,122 B2King Power Company LLC
- Vapor injected piston compressor18 Apr 2023US 11,629,709 B2Hanon Systems
- Sealed cavity compressor to reduce contaminant induction11 May 2021US 11,002,268 B2Cobham Mission Systems Davenport LSS Inc.
- Variable displacement compressor for vehicle air conditioning system2 Jun 2020US 10,670,012 B2Sanden Holdings Corporation
- Variable displacement swash plate type compressor7 Dec 2023US 2023/0392588 A1Hanon Systems
- Carbon Free Compressor Pump System2 Feb 2023US 2023/0032921 A1King Power Company LLC
- Vapor injected piston compressor16 Dec 2021US 2021/0388827 A1Hanon Systems
- Swash plate type compressor21 Feb 2019US 2019/0055933 A1
- Compressor19 Jul 2018US 2018/0202424 A1Sanden Automotive Components Corporation
Most cited
By later US patents
- Multi-cylinder compressor having spaced arrays of cylinders25US 4,095,921 ASankyo Electric Company Limited · 1978
- Swash-plate type rotary compressor with drive shaft, lubrication16US 4,701,110 ADiesel Kiki Co., Ltd. · 1987
- Swash plate type compressor12US 4,101,250 AKabushiki Kaisha Toyoda Jidoshokki Seisakusho · 1978
- Piston type refrigerant compressor12US 5,380,166 ASanden Corporation · 1995
- Reciprocating type compressor with improved cylinder block8US 5,630,355 AKabushiki Kaisha Toyoda Jidoshokki Seisakusho · 1997