H01F 29/146
Constructional details
Official title: {Constructional details}
H01F29/146 (Constructional details) appears on 78 US grants and 50 published applications in this corpus.
Search patents in H01F- Granted patents
- 78
- Published applications
- 50
- Assignees
- 58
- Inventors
- 149
- Latest grant
- 15 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 9 |
| 2003 | 4 | 0 |
| 2004 | 4 | 4 |
| 2005 | 3 | 2 |
| 2006 | 4 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 0 |
| 2011 | 2 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 0 | 5 |
| 2015 | 3 | 1 |
| 2016 | 0 | 2 |
| 2017 | 3 | 3 |
| 2018 | 4 | 3 |
| 2019 | 3 | 4 |
| 2020 | 6 | 1 |
| 2021 | 1 | 2 |
| 2022 | 2 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Continuously adjustable saturable reactor8 Nov 2022US 11,495,968 B2Siemens Energy Global GmbH & Co. KG
- Recoiled metal thin film for 3D inductor with tunable core13 Sep 2022US 11,444,148 B2Intel Corporation
- Method of tuning an inductance of an inductive sensor23 Feb 2021US 10,930,421 B2Simmonds Precision Products, Inc.
- Magnetic component29 Jan 2026US 2026/0031270 A1Delta Electronics, Inc.
- Electrical power transformation system and process26 Jun 2025US 2025/0206741 A1Ionate Limited
- Multi-phase electrical transformer and power control apparatus28 Sep 2023US 2023/0308034 A1Third Equation Ltd
- An electrical power transformation system and process22 Sep 2022US 2022/0301767 A1Ionate Limited
- Magnetically controllable choke coil having central connection30 Dec 2021US 2021/0407731 A1Siemens Energy Global GmbH & Co. KG
Most cited
By later US patents
- Electronically tuned matching networks using adjustable inductance elements and resonant tank circuits61US 5,392,018 AAPPLIED Materials.Inc. · 1995
- Electrically tuned matching networks using adjustable inductance elements57US 5,585,766 AAPPLIED Materials.Inc. · 1996
- Cross-field ground fault sensor49US 4,021,729 AI-T-E Imperial Corporation · 1977
- Electronically tuned matching networks using adjustable inductance elements and resonant tank circuits43US 5,574,410 AAPPLIED Materials.Inc. · 1996
- Inductor23US 4,009,460 AHitachi, Ltd. · 1977