B60L 2210/30
Ac to dc converters
Official title: AC to DC converters
B60L2210/30 (Ac to dc converters) appears on 1,938 US grants and 2,665 published applications in this corpus.
Search patents in B60L- Granted patents
- 1,938
- Published applications
- 2,665
- Assignees
- 749
- Inventors
- 4,578
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 9 | 0 |
| 1998 | 12 | 0 |
| 1999 | 7 | 0 |
| 2000 | 11 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 3 |
| 2003 | 6 | 14 |
| 2004 | 8 | 16 |
| 2005 | 5 | 4 |
| 2006 | 8 | 9 |
| 2007 | 6 | 10 |
| 2008 | 9 | 21 |
| 2009 | 5 | 27 |
| 2010 | 12 | 40 |
| 2011 | 27 | 76 |
| 2012 | 24 | 136 |
| 2013 | 81 | 214 |
| 2014 | 96 | 255 |
| 2015 | 144 | 249 |
| 2016 | 189 | 140 |
| 2017 | 194 | 112 |
| 2018 | 146 | 117 |
| 2019 | 136 | 109 |
| 2020 | 105 | 98 |
| 2021 | 90 | 96 |
| 2022 | 108 | 131 |
| 2023 | 79 | 171 |
| 2024 | 104 | 223 |
| 2025 | 157 | 218 |
| 2026 | 111 | 175 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Power supply device29 Sep 2026US 12,746,848 B2Yazaki Corporation
- Grid connected converter device29 Sep 2026US 12,749,989 B2Eleappower Ltd.
- Systems and methods for active discharge for inverter for electric vehicle22 Sep 2026US 12,745,369 B2BorgWarner US Technologies LLC
- Charging device and vehicle15 Sep 2026US 12,734,916 B2BYD Company Limited
- Drive control apparatus8 Oct 2026US 2026/0307507 A1Mitsubishi Electric Corporation
- Rotor, separately excited synchronous machine and motor vehicle8 Oct 2026US 2026/0312469 A1
- Power converter control with second order harmonic injection8 Oct 2026US 2026/0312483 A1The Trustees of Columbia University in the City of New York
- Hybrid power supply1 Oct 2026US 2026/0293811 A1Briggs & Stratton Corporation
- Adapter for converting standalone ev charging stations into intelligent charging stations with remote communications connectivity and control1 Oct 2026US 2026/0296237 A1Power Hero Corp.
Most cited
By later US patents
- Apparatus, method and article for physical security of power storage devices in vehicles1,063US 8,560,147 B2Gogoro Inc. · 2013
- Apparatus, method and article for authentication, security and control of power storage devices, such as batteries1,019US 9,182,244 B2Gogoro Inc. · 2015
- Hybrid electric vehicle510US 5,343,970 A1994
- Wireless energy transfer using planar capacitively loaded conducting loop resonators449US 8,035,255 B2WiTricity Corporation · 2011
- Wireless energy transfer converters438US 8,497,601 B2WiTricity Corporation · 2013