H05B 6/04
Sources of current
H05B6/04 (Sources of current) appears on 231 US grants and 287 published applications in this corpus.
Search patents in H05B- Granted patents
- 231
- Published applications
- 287
- Assignees
- 138
- Inventors
- 569
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 2 |
| 2002 | 3 | 1 |
| 2003 | 4 | 9 |
| 2004 | 10 | 6 |
| 2005 | 2 | 9 |
| 2006 | 8 | 8 |
| 2007 | 5 | 4 |
| 2008 | 5 | 3 |
| 2009 | 1 | 3 |
| 2010 | 3 | 5 |
| 2011 | 2 | 8 |
| 2012 | 1 | 5 |
| 2013 | 3 | 5 |
| 2014 | 3 | 1 |
| 2015 | 7 | 10 |
| 2016 | 3 | 12 |
| 2017 | 6 | 8 |
| 2018 | 10 | 13 |
| 2019 | 16 | 18 |
| 2020 | 7 | 24 |
| 2021 | 14 | 34 |
| 2022 | 17 | 15 |
| 2023 | 19 | 16 |
| 2024 | 16 | 28 |
| 2025 | 19 | 13 |
| 2026 | 9 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Appliance with modular full-bridge driver and DC source22 Sep 2026US 12,744,451 B1Impulse Labs, Inc.
- Rapid and precise high frequency inverter initialization process for induction heating systems1 Sep 2026US 12,726,111 B2Inductoheat, Inc.
- Appliance with modular full-bridge driver and DC source18 Aug 2026US 12,712,433 B1Impulse Labs, Inc.
- Dual-frequency power-supply apparatus, high-frequency heating apparatus, and high-frequency quenching apparatus11 Aug 2026US 12,706,545 B2Neturen Co., Ltd.
- Inductive heating of batteries for charging4 Aug 2026US 12,700,626 B2Milwaukee Electric Tool Corporation
- Aerosol-generating device with internal and external heating arrangement8 Oct 2026US 2026/0305720 A1Philip Morris Products S. A.
- Hydrogen generation device8 Oct 2026US 2026/0307031 A1
- Hydrogen generation apparatus8 Oct 2026US 2026/0307037 A1
- Method for operating an induction heating apparatus, and in-duction heating apparatus8 Oct 2026US 2026/0313759 A1E. G. O. Elektro-Geratebau GmbH
- Induction warming system with auto-adjusting resonant circuitry10 Sep 2026US 2026/0271141 A1The Vollrath Company, L.L.C.
Most cited
By later US patents
- Induction heater having a power inverter and a variable frequency output inverter92US 5,343,023 AMiller Electric Mfg. Co. · 1994
- Induction heater having feedback control responsive to heat output74US 5,504,309 AMiller Electric Mfg. Co. · 1996
- High-frequency induction heating power supply61US 5,773,799 AGas Research Institute · 1998
- Induction heating unit with combined tank circuit and heating coil49US 4,017,701 AIllinois Tool Works Inc. · 1977
- RF power supply48US 6,521,874 B2Ameritherm, Inc. · 2003