F04C 2/025
The moving and the stationary member having co-operating elements in spiral form
Official title: {the moving and the stationary member having co-operating elements in spiral form}
F04C2/025 (The moving and the stationary member having co-operating elements in spiral form) appears on 101 US grants and 98 published applications in this corpus.
Search patents in F04C- Granted patents
- 101
- Published applications
- 98
- Assignees
- 56
- Inventors
- 241
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 7 |
| 2015 | 1 | 13 |
| 2016 | 7 | 5 |
| 2017 | 6 | 3 |
| 2018 | 6 | 4 |
| 2019 | 3 | 4 |
| 2020 | 2 | 6 |
| 2021 | 4 | 12 |
| 2022 | 14 | 15 |
| 2023 | 15 | 12 |
| 2024 | 13 | 7 |
| 2025 | 6 | 4 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Scroll compressor31 Mar 2026US 12,590,583 B2Sanden Corporation
- Coating layer having a conforming material for a compressor and method of using the same17 Mar 2026US 12,577,950 B2Trane International Inc.
- Tensioning device for a scroll compressor17 Feb 2026US 12,553,435 B2Schwäbische Werkzeugmaschinen GmbH
- Electric compressor10 Feb 2026US 12,546,310 B2Kabushiki Kaisha Toyota Jidoshokki
- Air gap magnetic coupling with thermal isolation28 Oct 2025US 12,456,907 B2Agilent Technologies, Inc.
- Scroll fluid machine with elastic member27 Aug 2026US 2026/0251140 A1Anest Iwata Corporation
- Scroll compressor and heat pump device7 May 2026US 2026/0126041 A1Robert Bosch GmbH
- Scroll compressor20 Nov 2025US 2025/0354550 A1Sanden Corporation
- Coating layer having a conforming material for a compressor and method of using the same9 Oct 2025US 2025/0314251 A1Trane International Inc.
- Tensioning device for a scroll compressor27 Mar 2025US 2025/0101980 A1Schwäbische Werkzeugmaschinen GmbH
Most cited
By later US patents
- Thrust bearing/coupling component for orbiting scroll-type machinery and scroll-type machinery incorporating the same66US 4,259,043 AArthur D. Little, Inc. · 1981
- Compact scroll fluid device63US 5,800,140 AArthur D. Little, Inc. · 1998
- Liquid immersible scroll pump55US 4,160,629 AArthur D. Little, Inc. · 1979
- Piezoelectric powered scroll compressor49US 4,950,135 AHitachi, Ltd. · 1990
- Relative orbiting motion by synchronoously rotating scroll impellers34US 4,178,143 AThe United States of America as represented by the Secretary of the Navy · 1979