F04C 18/356
With vanes reciprocating with respect to the outer member
Official title: with vanes reciprocating with respect to the outer member
F04C18/356 (With vanes reciprocating with respect to the outer member) appears on 649 US grants and 731 published applications in this corpus.
Search patents in F04C- Granted patents
- 649
- Published applications
- 731
- Assignees
- 107
- Inventors
- 1,120
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 7 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 7 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 10 | 2 |
| 2002 | 9 | 12 |
| 2003 | 14 | 21 |
| 2004 | 13 | 34 |
| 2005 | 16 | 44 |
| 2006 | 27 | 44 |
| 2007 | 24 | 20 |
| 2008 | 17 | 47 |
| 2009 | 26 | 20 |
| 2010 | 27 | 37 |
| 2011 | 16 | 35 |
| 2012 | 20 | 30 |
| 2013 | 18 | 23 |
| 2014 | 30 | 18 |
| 2015 | 24 | 25 |
| 2016 | 16 | 26 |
| 2017 | 18 | 42 |
| 2018 | 28 | 32 |
| 2019 | 32 | 15 |
| 2020 | 23 | 31 |
| 2021 | 16 | 37 |
| 2022 | 43 | 31 |
| 2023 | 22 | 32 |
| 2024 | 47 | 24 |
| 2025 | 32 | 29 |
| 2026 | 15 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Rotary compressor and refrigeration cycle device having the same6 Oct 2026US 12,753,760 B2LG Electronics Inc.
- Vertical type compressor and laundry treating apparatus having the same22 Sep 2026US 12,742,456 B2LG Electronics Inc.
- Compressor4 Aug 2026US 12,698,771 B2Carrier Japan Corporation
- Rotary compressor for rapid freezing appliances9 Jun 2026US 12,650,128 B2Rechi Precision Co., Ltd.
- Rotary machine unit, compressor, and refrigeration device2 Jun 2026US 12,646,982 B2Daikin Indusries, Ltd.
- Pump body assembly, compressor and air conditioner8 Oct 2026US 2026/0309153 A1Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
- Rotary compressor8 Oct 2026US 2026/0309155 A1Fujitsu General Limited
- Pump Body Assembly and Rolling Piston Compressor1 Oct 2026US 2026/0298237 A1Shanghai Highly Electrical Appliances Co., Ltd.
- Compliant bearing housing for compressor systems13 Aug 2026US 2026/0235123 A1
- Rotary compressor and refrigeration apparatus6 Aug 2026US 2026/0226898 A1Daikin Industries, Ltd.
Most cited
By later US patents
- Rotary compressor with reduced lubrication sensitivity147US 5,947,710 ACarrier Corporation · 1999
- Two stage gas compressor52US 5,322,424 AMatsushita Electric Industrial Co., Ltd. · 1994
- Rotary type compressor48US 7,802,972 B2Daikin Industries, Ltd. · 2010
- Means for fastening an airbag module47US 5,810,535 AMST Automotive GmbH · 1998
- Twin cylinder rotary compressor46US 5,542,831 ACarrier Corporation · 1996