H02P 1/00
Arrangements for starting electric motors or dynamo-electric converters
Official title: Arrangements for starting electric motors or dynamo-electric converters (starting of synchronous motors with electronic commutators H02P6/20, H02P6/22; starting dynamo-electric motors rotating step by step H02P8/04; vector control H02P21/00)
H02P1/00 (Arrangements for starting electric motors or dynamo-electric converters) appears on 1,886 US grants and 1,566 published applications in this corpus.
Search patents in H02P- Granted patents
- 1,886
- Published applications
- 1,566
- Assignees
- 864
- Inventors
- 3,643
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 19 | 0 |
| 1978 | 19 | 0 |
| 1979 | 10 | 0 |
| 1980 | 11 | 0 |
| 1981 | 16 | 0 |
| 1982 | 18 | 0 |
| 1983 | 20 | 0 |
| 1984 | 37 | 0 |
| 1985 | 13 | 0 |
| 1986 | 23 | 0 |
| 1987 | 35 | 0 |
| 1988 | 25 | 0 |
| 1989 | 18 | 0 |
| 1990 | 11 | 0 |
| 1991 | 17 | 0 |
| 1992 | 15 | 0 |
| 1993 | 14 | 0 |
| 1994 | 20 | 0 |
| 1995 | 27 | 0 |
| 1996 | 26 | 0 |
| 1997 | 17 | 0 |
| 1998 | 30 | 0 |
| 1999 | 26 | 0 |
| 2000 | 31 | 0 |
| 2001 | 29 | 10 |
| 2002 | 20 | 23 |
| 2003 | 26 | 31 |
| 2004 | 24 | 33 |
| 2005 | 23 | 29 |
| 2006 | 34 | 42 |
| 2007 | 30 | 41 |
| 2008 | 29 | 50 |
| 2009 | 39 | 43 |
| 2010 | 36 | 55 |
| 2011 | 30 | 55 |
| 2012 | 47 | 45 |
| 2013 | 60 | 72 |
| 2014 | 60 | 71 |
| 2015 | 57 | 94 |
| 2016 | 63 | 109 |
| 2017 | 88 | 88 |
| 2018 | 83 | 92 |
| 2019 | 99 | 116 |
| 2020 | 107 | 104 |
| 2021 | 82 | 75 |
| 2022 | 81 | 78 |
| 2023 | 70 | 59 |
| 2024 | 70 | 64 |
| 2025 | 58 | 51 |
| 2026 | 27 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for operating an electric drive device6 Oct 2026US 12,756,334 B2Siemens Aktiengesellschaft
- System and method for providing inrush current limiting for induction motor starting29 Sep 2026US 12,749,991 B2ABB Schweiz AG
- Motor drive device29 Sep 2026US 12,749,992 B2Kabushiki Kaisha Toyota Jidoshokki
- Motor control device29 Sep 2026US 12,749,996 B2Lutron Technology Company LLC
- Method and system for rapid starting of a combustion engine in a multi-engine aircraft28 Jul 2026US 12,695,356 B2Airbus Helicopters
- Motor control circuit, control method, motor assembly and electronic device8 Oct 2026US 2026/0312522 A1Silergy Semiconductor Technology (Hangzhou) LTD
- Power tool dual-trigger operation27 Aug 2026US 2026/0249442 A1Black & Decker Inc.
- Improved Reverse Magnetic Asynchronous Induction Motor Systems and Methods27 Aug 2026US 2026/0254332 A1Adventech, LLC
- Control circuit and method for dc motors6 Aug 2026US 2026/0230009 A1Intex Marketing Ltd.
- Motor driver with fail-startup fast restarting mechanism6 Aug 2026US 2026/0230010 A1Anpec Electronics Corporation
Most cited
By later US patents
- DC fan speed control1,219US 4,856,078 AZenith Electronics Corporation · 1989
- Electrical hand tool machine with soft-start664US 6,882,127 B2Hilti Aktiengesellschaft · 2005
- Variable speed DC motor controller apparatus particularly adapted for control of portable-power tools228US 5,014,793 AMeasurement Specialties, Inc. · 1991
- Electric motor and motor control173US 8,575,873 B2Nidec Motor Corporation · 2013
- Electric motor and motor control166US 9,893,660 B2Nidec Motor Corporation · 2018