F04B 27/0423
Cylinders
Official title: {Cylinders}
F04B27/0423 (Cylinders) appears on 14 US grants and 20 published applications in this corpus.
Search patents in F04B- Granted patents
- 14
- Published applications
- 20
- Assignees
- 19
- Inventors
- 60
- Latest grant
- 11 May 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 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 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 3 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 2 |
| 2016 | 0 | 1 |
| 2017 | 1 | 2 |
| 2018 | 2 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 3 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sealed cavity compressor to reduce contaminant induction11 May 2021US 11,002,268 B2Cobham Mission Systems Davenport LSS Inc.
- Low disturbance cryocooler compressor16 Mar 2021US 10,947,962 B1Lockheed Martin Corporation
- Reciprocating type compressor19 Jan 2021US 10,895,255 B2LG Electronics Inc.
- Engine compressor unit24 Mar 2020US 10,598,168 B2
- Radially configured oil-free compressor18 Sep 2018US 10,077,800 B2Westinghouse Air Brake Technologies Corporation
- Air compressor19 Feb 2026US 2026/0049605 A1
- Reciprocating Compressor And Fluid Injection System25 Dec 2025US 2025/0389264 A1Copeland Corporation
- Reciprocating Compressor And Fluid Injection System25 Dec 2025US 2025/0389265 A1Copeland Corporation
- Radial piston rotary machine15 Aug 2024US 2024/0271624 A1Up-Steel, S.R.O.
- Reciprocating compressor for use with an economizer9 Feb 2023US 2023/0039145 A1Carrier Corporation
Most cited
By later US patents
- Cam driven compressor20US 4,105,371 AGeneral Motors Corporation · 1978
- Multistage high pressure compressor16US 6,431,840 B1Sanyo Electric Co., Ltd. · 2002
- Radial piston compressor9US 4,465,436 ASiemens Aktiengesellschaft · 1984
- Fluid compressor4US 4,352,640 AHonda Giken Kogyo Kabushiki Kaisha · 1982
- High pressure fuel injector supply pump3US 8,348,644 B2Denso Corporation · 2013