F04C 18/3568
With axially movable vanes
Official title: {with axially movable vanes}
F04C18/3568 (With axially movable vanes) appears on 32 US grants and 43 published applications in this corpus.
Search patents in F04C- Granted patents
- 32
- Published applications
- 43
- Assignees
- 18
- Inventors
- 101
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 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 | 0 | 0 |
| 2003 | 0 | 5 |
| 2004 | 0 | 7 |
| 2005 | 4 | 1 |
| 2006 | 2 | 4 |
| 2007 | 0 | 2 |
| 2008 | 1 | 2 |
| 2009 | 4 | 0 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 4 |
| 2017 | 3 | 3 |
| 2018 | 5 | 4 |
| 2019 | 1 | 1 |
| 2020 | 3 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rotary compressor and refrigeration cycle device having the same6 Oct 2026US 12,753,760 B2LG Electronics Inc.
- Low-pressure chamber rotary compressor and air conditioner14 Jan 2025US 12,196,205 B2Guangzhou Deshan Cnc Technology Co., Ltd.
- Rotary compressor3 Oct 2023US 11,773,854 B2LG Electronics Inc.
- Vane rotary compressor12 Apr 2022US 11,300,122 B2LG Electronics Inc.
- Compressor with liquid injection cooling30 Mar 2021US 10,962,012 B2Hicor Technologies, Inc.
- Rotary compressor and refrigeration cycle apparatus26 Jun 2025US 2025/0207590 A1Carrier Japan Corporation
- Rotary compressor and home appliance including the same12 Jun 2025US 2025/0189185 A1Samsung Electronics Co., Ltd.
- Rotary compressor and refrigeration cycle device having the same24 Apr 2025US 2025/0129779 A1LG Electronics Inc.
- Low-pressure chamber rotary compressor and air conditioner15 Aug 2024US 2024/0271621 A1Guangzhou Deshan Cnc Technology Co., Ltd.
- Rotary compressor27 Apr 2023US 2023/0131102 A1LG Electronics Inc.
Most cited
By later US patents
- Oscillating rotary compressor14US 3,994,638 AFrick Company · 1976
- Compressor within motor rotor10US 6,881,041 B2LG Electronics Inc. · 2005
- Compressor having pressure controlled for improving oil distribution9US 7,381,040 B2Sanyo Electric Co., Ltd. · 2008
- Shaft seal for rotary type compressor7US 7,481,635 B2Sanyo Electric Co., Ltd. · 2009
- Compressor5US 6,893,241 B2LG Electronics Inc. · 2005