H01F 2005/006
Coils: with conical spiral form
Official title: {with conical spiral form}
H01F2005/006 (Coils: with conical spiral form) appears on 66 US grants and 71 published applications in this corpus.
Search patents in H01F- Granted patents
- 66
- Published applications
- 71
- Assignees
- 50
- Inventors
- 159
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 2 |
| 2006 | 3 | 3 |
| 2007 | 2 | 3 |
| 2008 | 2 | 3 |
| 2009 | 1 | 0 |
| 2010 | 5 | 2 |
| 2011 | 2 | 1 |
| 2012 | 0 | 3 |
| 2013 | 2 | 1 |
| 2014 | 1 | 1 |
| 2015 | 2 | 1 |
| 2016 | 0 | 3 |
| 2017 | 4 | 4 |
| 2018 | 4 | 11 |
| 2019 | 5 | 8 |
| 2020 | 7 | 4 |
| 2021 | 4 | 3 |
| 2022 | 4 | 5 |
| 2023 | 5 | 3 |
| 2024 | 2 | 4 |
| 2025 | 0 | 3 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Coil, stator, and motor16 Jun 2026US 12,658,752 B2Aster Co., Ltd.
- Robotic electromagnetic electric vehicle charging system31 Mar 2026US 12,589,663 B2Prezent Energy Corporation
- Inductor3 Mar 2026US 12,567,532 B2Murata Manufacturing Co., Ltd.
- Method for the production of a helical metal body23 Apr 2024US 11,967,868 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Winding6 Feb 2024US 11,894,183 B2Hitachi Energy Ltd
- Coil8 Jan 2026US 2026/0011483 A1Tatsuta Electric Wire & Cable Co., Ltd.
- Biological sensor and biological information detecting device25 Dec 2025US 2025/0389560 A1Murata Manufacturing Co., Ltd.
- Helbeck array planar coil structural unit4 Dec 2025US 2025/0372291 A1Shenzhen Duoyuan Expansion Environmental Protection Technology Co., Ltd
- Frustoconical receiver and transmitter coils for inductive charging of light electric vehicles23 Oct 2025US 2025/0326306 A1Wireless PNC Inc.
- Coil, stator, and motor31 Oct 2024US 2024/0364163 A1Aster Co., Ltd.
Most cited
By later US patents
- Electronic components90US 6,218,925 B1Taiyo Yuden Co., Ltd. · 2001
- Ferroresonant flux coupled battery charger38US 4,656,412 ACalifornia Institute of Technology · 1987
- Magnet pole pieces and pole piece extensions and shields24US 4,359,706 A1982
- Broadband microwave choke and a non-conductive carrier therefor17US 6,344,781 B12002
- Inductor winding with conductive ribbon13US 5,770,991 ATexas Instruments Incorporated · 1998