F04C 15/008
Prime movers
Official title: {Prime movers}
F04C15/008 (Prime movers) appears on 348 US grants and 440 published applications in this corpus.
Search patents in F04C- Granted patents
- 348
- Published applications
- 440
- Assignees
- 248
- Inventors
- 794
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 9 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 2 |
| 2002 | 4 | 3 |
| 2003 | 4 | 8 |
| 2004 | 2 | 6 |
| 2005 | 4 | 8 |
| 2006 | 5 | 7 |
| 2007 | 4 | 9 |
| 2008 | 4 | 7 |
| 2009 | 4 | 6 |
| 2010 | 4 | 13 |
| 2011 | 3 | 3 |
| 2012 | 10 | 9 |
| 2013 | 2 | 10 |
| 2014 | 9 | 20 |
| 2015 | 8 | 35 |
| 2016 | 8 | 49 |
| 2017 | 29 | 34 |
| 2018 | 25 | 34 |
| 2019 | 31 | 40 |
| 2020 | 29 | 26 |
| 2021 | 32 | 20 |
| 2022 | 25 | 33 |
| 2023 | 18 | 14 |
| 2024 | 19 | 11 |
| 2025 | 15 | 15 |
| 2026 | 11 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Automotive electric oil pump21 Jul 2026US 12,687,166 B2Pierburg Pump Technology GmbH
- Pump assembly7 Jul 2026US 12,674,453 B2Sumitomo Electric Sintered Alloy, Ltd.
- Pump16 Jun 2026US 12,655,844 B2LG Innotek Co., Ltd.
- Permanent magnet embedded motor and pump device28 Apr 2026US 12,614,939 B2Mikuni Corporation
- Electric liquid pump24 Mar 2026US 12,584,484 B2Toyoda Gosei Co., Ltd.
- Gerotor pump24 Sep 2026US 2026/0286956 A1Hanon Systems Efp Deutschland GmbH
- Assemblies for an Internal Gear Pump With Hydrostatic Support Features24 Sep 2026US 2026/0286959 A1Parker-Hannifin Corporation
- Displacement machine according to the spiral principle27 Aug 2026US 2026/0251141 A1
- Co-rotating scroll compressor27 Aug 2026US 2026/0251142 A1Kabushiki Kaisha Toyota Jioshokki
- Active cooling of specially coated ecu/pcba in electric transmission oil pump20 Aug 2026US 2026/0243254 A1Hanon Systems EFP Canada Ltd.
Most cited
By later US patents
- Direct drive linear flow blood pump134US 7,074,018 B22006
- Fluid pump/generator with integrated motor and related stator and rotor and method of pumping fluid97US 7,021,905 B2Advanced Energy Conversion, LLC · 2006
- Overheat protection for fluid pump89US 6,837,688 B2Standex International Corporation · 2005
- Linear flow blood pump59US 6,361,292 B12002
- Manually operated gear pump spray head58US 4,767,033 AThe Drackett Company · 1988