F04C 18/322
With vanes hinged to the outer member and reciprocating with respect to
Official title: {with vanes hinged to the outer member and reciprocating with respect to the outer member}
F04C18/322 (With vanes hinged to the outer member and reciprocating with respect to) appears on 91 US grants and 95 published applications in this corpus.
Search patents in F04C- Granted patents
- 91
- Published applications
- 95
- Assignees
- 24
- Inventors
- 200
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 2 | 1 |
| 2006 | 1 | 3 |
| 2007 | 0 | 3 |
| 2008 | 0 | 4 |
| 2009 | 6 | 7 |
| 2010 | 3 | 12 |
| 2011 | 8 | 10 |
| 2012 | 5 | 12 |
| 2013 | 4 | 1 |
| 2014 | 11 | 3 |
| 2015 | 9 | 5 |
| 2016 | 6 | 4 |
| 2017 | 2 | 1 |
| 2018 | 2 | 1 |
| 2019 | 2 | 2 |
| 2020 | 1 | 2 |
| 2021 | 1 | 6 |
| 2022 | 5 | 4 |
| 2023 | 4 | 2 |
| 2024 | 5 | 0 |
| 2025 | 3 | 6 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Compressor and refrigeration cycle device15 Oct 2024US 12,117,214 B2Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
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- 2-cylinder rotary compressor15 Jan 2026US 2026/0016010 A1Daikin Industries, Ltd.
- Rotary compressor and refrigeration apparatus16 Oct 2025US 2025/0320870 A1Daikin Industries, Ltd.
- Compressor, air conditioning system and air conditioner16 Oct 2025US 2025/0320872 A1Beijing Xiaomi Mobile Software Co., Ltd.
- Compressor and air conditioner6 Feb 2025US 2025/0043783 A1Daikin Industries, Ltd.
Most cited
By later US patents
- Rotary type compressor48US 7,802,972 B2Daikin Industries, Ltd. · 2010
- Horizontal two stage rotary compressor22US 6,929,455 B2Tecumseh Products Company · 2005
- Rotary compressor18US 5,577,903 ADaikin Industries, Ltd. · 1996
- Rotary compressor having blade integrated in roller16US 5,383,774 ADaikin Industries, Ltd. · 1995
- Swing type rotary compressor having an oil groove on the roller14US 5,580,231 ADaikin Industries, Ltd. · 1996