H02K 39/00
Generators specially adapted for producing a desired non-sinusoidal waveform
H02K39/00 (Generators specially adapted for producing a desired non-sinusoidal waveform) appears on 81 US grants and 29 published applications in this corpus.
Search patents in H02K- Granted patents
- 81
- Published applications
- 29
- Assignees
- 44
- Inventors
- 88
- Latest grant
- 7 Jun 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 8 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 8 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 5 |
| 2004 | 4 | 0 |
| 2005 | 1 | 3 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 5 |
| 2010 | 4 | 7 |
| 2011 | 6 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 0 |
| 2014 | 2 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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- Power generation device1 Dec 2020US 10,855,157 B2Alps Alpine Co., Ltd.
- Pairs of complementary unidirectionally magnetic rotor/stator assemblies15 Oct 2019US 10,447,124 B2Pacific International Energy Solutions Inc.
- Engine-generator without flywheel23 Jun 2015US 9,065,305 B2Illinois Tool Works Inc.
- Multi-port energy storage system and control for laser power supply23 Oct 2025US 2025/0330066 A1
- Energy storage module with xram current multiplier15 Jul 2021US 2021/0218390 A1Raytheon Company
- Pairs of Complementary Unidirectionally Magnetic Rotor/Stator Assemblies23 Apr 2020US 2020/0127540 A1Pacific International Energy Solutions Inc.
- Power generation device13 Jun 2019US 2019/0181739 A1Alps Alpine Co., Ltd.
- Pairs of Complementary Unidirectionally Magnetic Rotor/Stator Assemblies23 Nov 2017US 2017/0338725 A1Pacific International Energy Solutions Inc.
Most cited
By later US patents
- Electrical pulse generator using pseudo-random pole distribution135US 6,720,698 B2International Business Machines Corporation · 2004
- Linear electric generator having an improved magnet and coil structure, and method of manufacture68US 6,936,937 B2Sunyen Co., Ltd. · 2005
- Reinforced composite flywheels and shafts63US 5,285,699 ABoard of Regents, The University of Texas System · 1994
- Spring return linear signal generator45US 3,984,707 A1976
- Method for defining field emission structures using non-regular patterns41US 7,750,774 B2Cedar Ridge Research, LLC · 2010