F04C 29/0085
Prime movers
Official title: {Prime movers}
F04C29/0085 (Prime movers) appears on 546 US grants and 674 published applications in this corpus.
Search patents in F04C- Granted patents
- 546
- Published applications
- 674
- Assignees
- 214
- Inventors
- 1,314
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 12 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 5 |
| 2002 | 7 | 15 |
| 2003 | 8 | 13 |
| 2004 | 9 | 34 |
| 2005 | 7 | 21 |
| 2006 | 15 | 22 |
| 2007 | 12 | 8 |
| 2008 | 14 | 14 |
| 2009 | 5 | 16 |
| 2010 | 8 | 18 |
| 2011 | 9 | 22 |
| 2012 | 15 | 21 |
| 2013 | 13 | 21 |
| 2014 | 22 | 25 |
| 2015 | 11 | 37 |
| 2016 | 21 | 68 |
| 2017 | 34 | 81 |
| 2018 | 49 | 48 |
| 2019 | 63 | 41 |
| 2020 | 43 | 29 |
| 2021 | 34 | 23 |
| 2022 | 24 | 21 |
| 2023 | 19 | 19 |
| 2024 | 19 | 12 |
| 2025 | 23 | 17 |
| 2026 | 10 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electric compressor4 Aug 2026US 12,698,772 B2Hanon Systems
- Co-rotating scroll compressor2 Jun 2026US 12,644,455 B2Kabushiki Kaisha Toyota Jidoshokki
- Rotary machine unit, compressor, and refrigeration device2 Jun 2026US 12,646,982 B2Daikin Indusries, Ltd.
- Electric compressor having an internal flow path arranged on an opposite side of a suction port relative to a first plane19 May 2026US 12,631,184 B2Hanon Systems
- Co-rotating scroll compressor21 Apr 2026US 12,607,186 B2Kabushiki Kaisha Toyota Jidoshokki
- Compressor and method of controlling compressor1 Oct 2026US 2026/0298239 A1Hitachi Industrial Equipment Systems Co., Ltd.
- 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
- Electric compressor13 Aug 2026US 2026/0238093 A1Daeyoung Electronics Co.,Ltd
Most cited
By later US patents
- Compressor diagnostic system172US 6,615,594 B2Copeland Corporation · 2003
- Method and system for diagnosing a cooling system144US 6,758,051 B2Copeland Corporation · 2004
- Two stage screw type vacuum pump with motor in-between the stages140US 5,846,062 AEbara Corporation · 1998
- Compressor diagnostic system137US 6,758,050 B2Copeland Corporation · 2004
- Compressor diagnostic system93US 7,222,493 B2Emerson Climate Technologies, Inc. · 2007