F04C 18/3566
The inner and outer member being in contact along more than line
Official title: {the inner and outer member being in contact along more than line or surface}
F04C18/3566 (The inner and outer member being in contact along more than line) appears on 13 US grants and 8 published applications in this corpus.
Search patents in F04C- Granted patents
- 13
- Published applications
- 8
- Assignees
- 8
- Inventors
- 22
- Latest grant
- 6 Jun 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 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 | 0 | 0 |
| 2003 | 2 | 3 |
| 2004 | 2 | 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 | 2 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Compressor having sliding portion provided with oil retainer6 Jun 2023US 11,668,308 B2Daikin Industries, Ltd.
- Pump body assembly and assembly method therefor22 Nov 2022US 11,506,203 B2Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
- Compressor30 Mar 2021US 10,962,010 B2LG Electronics Inc.
- Compressor having a lubrication surface formed on a roller thereof21 Jul 2020US 10,718,331 B2LG Electronics Inc.
- Rotary compressor having fluid passage between sliding vane and vane slot12 Nov 2019US 10,473,102 B2LG Electronics Inc.
- Compressor29 Sep 2022US 2022/0307505 A1Daikin Industries, Ltd.
- Pump body assembly and assembly method therefor6 May 2021US 2021/0131436 A1Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
- Compressor9 Aug 2018US 2018/0223845 A1LG Electronics Inc.
- Compressor26 Oct 2017US 2017/0306961 A1LG Electronics Inc.
- Rotary compressor3 Aug 2017US 2017/0218956 A1LG Electronics Inc.
Most cited
By later US patents
- Rotary type fluid machine, vane type fluid machine, and waste heat recovering device for internal combustion engine40US 6,675,765 B2Honda Giken Kogyo Kabushiki Kaisha · 2004
- Rotary compressor with vanes in the housing and suction through the rotor26US 4,345,886 AKabushiki Kaisha Toyoda Jidoshokki Seisakusho · 1982
- Rotary compressor and vane assembly therefor15US 4,086,042 AWestinghouse Electric Corp. · 1978
- Rotary compressor with non-pressure angle12US 4,599,059 A1986
- Rotary type fluid machine, vane type fluid machine, and waste heat recovering device for internal combustion engine8US 6,681,738 B2Honda Giken Kogyo Kabushiki Kaisha · 2004