F04B 2027/189
Between crankcase and discharge chamber
Official title: {between crankcase and discharge chamber}
F04B2027/189 (Between crankcase and discharge chamber) appears on 31 US grants and 11 published applications in this corpus.
Search patents in F04B- Granted patents
- 31
- Published applications
- 11
- Assignees
- 14
- Inventors
- 58
- Latest grant
- 1 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 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 | 4 |
| 2016 | 1 | 0 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 3 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Capacity control valve4 Aug 2022US 2022/0243710 A1Eagle Industry Co., Ltd.
- Compressor27 Jan 2022US 2022/0025875 A1Hanon Systems
- Control valve for variable displacement compressor17 Sep 2015US 2015/0260176 A1Tgk Co., Ltd.
Most cited
By later US patents
- Displacement controlling structure for clutchless variable displacement compressor28US 5,865,604 AKabushiki Kaisha Toyoda Jidoshokki Seisakusho · 1999
- Variable displacement swash-plate type compressor27US 4,886,423 ANippon Soken, Inc. · 1989
- Piston type variable displacement compressor24US 5,584,670 AKabushiki Kaisha Toyoda Jidoshokki Seisakusho · 1996
- Variable displacement swash-plate type compressor23US 4,932,843 ANippon Soken, Inc. · 1990
- Piston type variable displacement compressor23US 5,577,894 AKabushiki Kaisha Toyoda Jidoshokki Seisakusho · 1996