F04C 18/0215
Where only one member is moving
Official title: {where only one member is moving}
F04C18/0215 (Where only one member is moving) appears on 2,555 US grants and 2,631 published applications in this corpus.
Search patents in F04C- Granted patents
- 2,555
- Published applications
- 2,631
- Assignees
- 307
- Inventors
- 3,117
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 10 | 0 |
| 1985 | 8 | 0 |
| 1986 | 1 | 0 |
| 1987 | 13 | 0 |
| 1988 | 7 | 0 |
| 1989 | 13 | 0 |
| 1990 | 16 | 0 |
| 1991 | 22 | 0 |
| 1992 | 23 | 0 |
| 1993 | 20 | 0 |
| 1994 | 28 | 0 |
| 1995 | 23 | 0 |
| 1996 | 38 | 0 |
| 1997 | 26 | 0 |
| 1998 | 28 | 0 |
| 1999 | 17 | 0 |
| 2000 | 54 | 0 |
| 2001 | 68 | 16 |
| 2002 | 65 | 62 |
| 2003 | 52 | 67 |
| 2004 | 53 | 69 |
| 2005 | 34 | 69 |
| 2006 | 51 | 85 |
| 2007 | 58 | 69 |
| 2008 | 49 | 65 |
| 2009 | 36 | 108 |
| 2010 | 52 | 113 |
| 2011 | 67 | 104 |
| 2012 | 92 | 71 |
| 2013 | 64 | 110 |
| 2014 | 68 | 124 |
| 2015 | 92 | 125 |
| 2016 | 97 | 134 |
| 2017 | 103 | 119 |
| 2018 | 108 | 119 |
| 2019 | 118 | 136 |
| 2020 | 108 | 164 |
| 2021 | 151 | 97 |
| 2022 | 138 | 136 |
| 2023 | 109 | 124 |
| 2024 | 182 | 115 |
| 2025 | 118 | 120 |
| 2026 | 67 | 110 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Scroll-type electric compressor6 Oct 2026US 12,753,761 B2Sanden Corporation
- Electric compressor6 Oct 2026US 12,753,764 B2Kabushiki Kaisha Toyota Jidoshokki
- Electric compressor with integrated vapor injection circuit29 Sep 2026US 12,747,729 B2Mahle International GmbH
- Vertical type compressor and laundry treating apparatus having the same22 Sep 2026US 12,742,456 B2LG Electronics Inc.
- Scroll compressor15 Sep 2026US 12,736,050 B2Kabushiki Kaisha Toyota Jidoshokki
- Scroll compressor with a sealing ring for a fixed disk check valve8 Oct 2026US 2026/0309151 A1Hitachi-Johnson Controls Air Conditioning, Inc.
- Scroll compressor1 Oct 2026US 2026/0298232 A1BITZER Refrigeration Technology (China) Co., Ltd.
- Compressor1 Oct 2026US 2026/0298233 A1Samsung Electronics Co., Ltd.
- Scroll compressor1 Oct 2026US 2026/0298234 A1Ishikawa Energy Research Co., Ltd.
- Fixed scroll assembly, scroll compressor, and method for machining fixed scroll assembly1 Oct 2026US 2026/0298235 A1Copeland Climate Technologies (Suzhou) Co. Ltd.
Most cited
By later US patents
- Scroll-type machine with axially compliant mounting226US 4,877,382 ACopeland Corporation · 1989
- Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor194US 6,047,557 ACopeland Corporation · 2000
- Compressor pulse width modulation172US 6,213,731 B1Copeland Corporation · 2001
- Compressor diagnostic system172US 6,615,594 B2Copeland Corporation · 2003
- Surgical evacuation system with a communication circuit for communication between a filter and a smoke evacuation device165US 10,898,622 B2Ethicon, Inc. · 2021