F04C 18/023
Where both members are moving
Official title: {where both members are moving}
F04C18/023 (Where both members are moving) appears on 112 US grants and 108 published applications in this corpus.
Search patents in F04C- Granted patents
- 112
- Published applications
- 108
- Assignees
- 50
- Inventors
- 207
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 7 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 2 |
| 2003 | 2 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 3 |
| 2007 | 3 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 1 | 4 |
| 2014 | 2 | 4 |
| 2015 | 4 | 0 |
| 2016 | 2 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 10 |
| 2019 | 4 | 15 |
| 2020 | 6 | 12 |
| 2021 | 11 | 4 |
| 2022 | 6 | 2 |
| 2023 | 3 | 6 |
| 2024 | 5 | 1 |
| 2025 | 3 | 12 |
| 2026 | 4 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Co-rotating scroll compressor with inverter mounted to reduce noise9 Jun 2026US 12,650,127 B2Kabushiki Kaisha Toyota Jidoshokki
- Co-rotating scroll compressor2 Jun 2026US 12,644,455 B2Kabushiki Kaisha Toyota Jidoshokki
- Co-rotating scroll compressor21 Apr 2026US 12,607,186 B2Kabushiki Kaisha Toyota Jidoshokki
- Dual-mode compressor10 Mar 2026US 12,571,392 B2Beijing Institute of Technology
- Co-rotating scroll compressor14 Oct 2025US 12,442,372 B2Kabushiki Kaisha Toyota Jidoshokki
- Co-rotating scroll compressor1 Oct 2026US 2026/0298236 A1Kabushiki Kaisha Toyota Jidoshokki
- Co-rotating scroll compressor24 Sep 2026US 2026/0286960 A1Hillyer Associates, LLC
- Displacement machine according to the spiral principle3 Sep 2026US 2026/0258802 A1
- Co-rotating scroll compressor27 Aug 2026US 2026/0251142 A1Kabushiki Kaisha Toyota Jioshokki
- Co-rotating scroll compressor20 Aug 2026US 2026/0243256 A1Kabushiki Kaisha Toyota Jidoshokki
Most cited
By later US patents
- Rotating scroll apparatus with axially biased scroll members91US 4,927,339 AAmerican Standard Inc. · 1990
- Synchronizer assembly for a scroll fluid device76US 5,328,341 AArthur D. Little, Inc. · 1994
- Scroll apparatus with reduced inlet pressure drop71US 5,314,316 AArthur D. Little, Inc. · 1994
- Bearing and lubrication system for a scroll fluid device45US 5,256,042 AArthur D. Little, Inc. · 1993
- Scroll-type positive displacement apparatus with oil supply to compression chamber42US 4,842,499 AMitsubishi Denki Kabushiki Kaish a · 1989