H02K 19/34
Generators with two or more outputs
H02K19/34 (Generators with two or more outputs) appears on 90 US grants and 64 published applications in this corpus.
Search patents in H02K- Granted patents
- 90
- Published applications
- 64
- Assignees
- 59
- Inventors
- 167
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 3 |
| 2006 | 2 | 3 |
| 2007 | 1 | 5 |
| 2008 | 3 | 4 |
| 2009 | 5 | 2 |
| 2010 | 1 | 3 |
| 2011 | 3 | 7 |
| 2012 | 4 | 1 |
| 2013 | 5 | 3 |
| 2014 | 1 | 0 |
| 2015 | 3 | 1 |
| 2016 | 0 | 4 |
| 2017 | 3 | 2 |
| 2018 | 4 | 3 |
| 2019 | 3 | 3 |
| 2020 | 5 | 8 |
| 2021 | 2 | 2 |
| 2022 | 3 | 3 |
| 2023 | 2 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Generator common core winding5 Aug 2025US 12,381,431 B2Safran Power USA, LLC
- Electric drive and method of operating the electric drive17 Dec 2024US 12,170,469 B2MOLABO GmbH
- Hybrid electric propulsion system and method of operation12 Sep 2023US 11,757,386 B2Pratt & Whitney Canada Corp.
- Dynamo-electric machine18 Apr 2023US 11,632,021 B2Raytheon Company
- Dual transformer turbine7 Jun 2022US 11,355,934 B2Siemens Gamesa Renewable Energy A/S
- Multi-port energy storage system and control for laser power supply23 Oct 2025US 2025/0330066 A1
- Hybrid electric aircraft propulsion system and method18 Sep 2025US 2025/0293627 A1Pratt & Whitney Canada Corp.
- Generator common core winding1 Jun 2023US 2023/0170753 A1Safran
- Dynamo-electric machine4 May 2023US 2023/0140831 A2Raytheon Company
- Dynamo-electric machine6 Oct 2022US 2022/0320935 A1Raytheon Company
Most cited
By later US patents
- System and method for providing low voltage 3-phase power in a vehicle132US 7,521,814 B2Oshkosh Truck Corporation · 2009
- Multiple winding multiple voltage alternator electrical supply system82US 4,045,718 AMaremont Corporation · 1977
- Method and device for controlling the magnetic flux in a rotating high voltage electric alternating current machine81US 6,525,504 B1ABB AB · 2003
- Liquid-cooled electric generator69US 5,293,089 ARobert Bosch GmbH · 1994
- Alternating current generator having a plurality of independent three-phase windings57US 5,122,705 ANippondenso Co., Ltd. · 1992