H01F 29/143
With control winding for generating magnetic bias
Official title: {with control winding for generating magnetic bias}
H01F29/143 (With control winding for generating magnetic bias) appears on 208 US grants and 70 published applications in this corpus.
Search patents in H01F- Granted patents
- 208
- Published applications
- 70
- Assignees
- 104
- Inventors
- 319
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 11 | 0 |
| 1978 | 6 | 0 |
| 1979 | 8 | 0 |
| 1980 | 5 | 0 |
| 1981 | 6 | 0 |
| 1982 | 7 | 0 |
| 1983 | 8 | 0 |
| 1984 | 6 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 7 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 10 | 0 |
| 2000 | 13 | 0 |
| 2001 | 10 | 6 |
| 2002 | 11 | 11 |
| 2003 | 4 | 3 |
| 2004 | 7 | 5 |
| 2005 | 7 | 2 |
| 2006 | 3 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 0 |
| 2013 | 1 | 4 |
| 2014 | 0 | 1 |
| 2015 | 3 | 3 |
| 2016 | 0 | 2 |
| 2017 | 1 | 5 |
| 2018 | 8 | 6 |
| 2019 | 4 | 3 |
| 2020 | 2 | 2 |
| 2021 | 2 | 4 |
| 2022 | 2 | 2 |
| 2023 | 2 | 3 |
| 2024 | 1 | 1 |
| 2025 | 2 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Coil component3 Mar 2026US 12,567,531 B2Murata Manufacturing Co., Ltd.
- Electrical power transformation system and process15 Apr 2025US 12,278,042 B2Ionate Limited
- Magnetically controllable choke coil having central connection8 Apr 2025US 12,272,490 B2Siemens Energy Global GmbH & Co. KG
- Reactor25 Jun 2024US 12,020,840 B2Kyosan Electric Mfg. Co., Ltd.
- Circuit assembly, electrolysis device, and method for operating a circuit assembly or an electrolysis device19 Dec 2023US 11,848,602 B2Siemens Energy Global GmbH & Co. KG
- Magnetic component29 Jan 2026US 2026/0031270 A1Delta Electronics, Inc.
- Electrical power transformation system and process26 Jun 2025US 2025/0206741 A1Ionate Limited
- Tunable inductor and methods to realize tunable inductor24 Apr 2025US 2025/0132088 A1Hamilton Sundstrand Corporation
- Charging Station for Electric Vehicles15 Aug 2024US 2024/0270093 A1Siemens Aktiengesellschaft
- Multi-phase electrical transformer and power control apparatus28 Sep 2023US 2023/0308034 A1Third Equation Ltd
Most cited
By later US patents
- Vacuum processing chamber having multi-mode access485US 6,095,083 AApplied Materiels, Inc. · 2000
- Silicon scavenger in an inductively coupled RF plasma reactor249US 5,556,501 AAPPLIED Materials.Inc. · 1996
- Inductively coupled RF plasma reactor having an overhead solenoidal antenna and modular confinement magnet liners190US 6,074,512 AAPPLIED Materials.Inc. · 2000
- Resonant converter with controlled inductor145US 5,684,678 ADelco Electronics Corporation · 1997
- Transformers and coupled inductors with optimum interleaving of windings144US 5,543,773 AElectrotech Instruments Limited · 1996