H01F 7/1607
Armatures entering the winding
Official title: {Armatures entering the winding}
H01F7/1607 (Armatures entering the winding) appears on 1,239 US grants and 1,001 published applications in this corpus.
Search patents in H01F- Granted patents
- 1,239
- Published applications
- 1,001
- Assignees
- 622
- Inventors
- 2,350
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 9 | 0 |
| 1978 | 11 | 0 |
| 1979 | 8 | 0 |
| 1980 | 15 | 0 |
| 1981 | 17 | 0 |
| 1982 | 11 | 0 |
| 1983 | 11 | 0 |
| 1984 | 22 | 0 |
| 1985 | 19 | 0 |
| 1986 | 9 | 0 |
| 1987 | 27 | 0 |
| 1988 | 21 | 0 |
| 1989 | 22 | 0 |
| 1990 | 17 | 0 |
| 1991 | 28 | 0 |
| 1992 | 24 | 0 |
| 1993 | 20 | 0 |
| 1994 | 18 | 0 |
| 1995 | 12 | 0 |
| 1996 | 13 | 0 |
| 1997 | 10 | 0 |
| 1998 | 11 | 0 |
| 1999 | 22 | 0 |
| 2000 | 12 | 0 |
| 2001 | 15 | 9 |
| 2002 | 17 | 18 |
| 2003 | 22 | 20 |
| 2004 | 21 | 31 |
| 2005 | 32 | 19 |
| 2006 | 27 | 51 |
| 2007 | 19 | 34 |
| 2008 | 16 | 38 |
| 2009 | 22 | 34 |
| 2010 | 22 | 43 |
| 2011 | 21 | 44 |
| 2012 | 36 | 31 |
| 2013 | 33 | 41 |
| 2014 | 32 | 30 |
| 2015 | 39 | 58 |
| 2016 | 50 | 46 |
| 2017 | 41 | 71 |
| 2018 | 36 | 47 |
| 2019 | 59 | 53 |
| 2020 | 53 | 64 |
| 2021 | 46 | 53 |
| 2022 | 47 | 53 |
| 2023 | 31 | 39 |
| 2024 | 39 | 33 |
| 2025 | 37 | 27 |
| 2026 | 20 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus and methods for generating force in electromagnetic systems29 Sep 2026US 12,749,607 B2
- Filling an armature chamber in an actuator18 Aug 2026US 12,712,105 B2Magnet-Schultz GmbH & Co. KG
- Electromagnetic actuator and valve having the electromagnetic actuator28 Jul 2026US 12,695,015 B2Magnetic Innovations LLC
- Solenoid, solenoid valve, shock absorber, and method for manufacturing a solenoid14 Jul 2026US 12,683,053 B2Hitachi Astemo, Ltd.
- Valve with improved magnetic flux interface30 Jun 2026US 12,669,193 B2Asco, L. P.
- Microelectromechanical systems (mems) actuator with magnetic latching and methods for manufacturing and using the same8 Oct 2026US 2026/0307980 A1Atomic Machines, Inc.
- Actuator arrangement and vehicle assembly with such an actuator arrangement1 Oct 2026US 2026/0302030 A1
- Electromagnet with impedance element27 Aug 2026US 2026/0253776 A1Svm Schultz Verwaltungs-GmbH & Co.KG
- Magnetic circuit system with enhanced intial electromagnetic attraction and high-voltage dc relay20 Aug 2026US 2026/0245820 A1Xiamen Hongfa Electric Power Controls Co., Ltd.
- Solenoid actuator and solenoid valve13 Aug 2026US 2026/0235224 A1Astemo, Ltd.
Most cited
By later US patents
- Force actuator with dual magnetic operation233US 5,896,076 A1999
- Proportional electropneumatic solenoid-controlled valve172US 5,407,174 APuritan-Bennett Corporation · 1995
- Apparatus for automatically controlling transmission of light through a lens system141US 4,264,154 APolaroid Corporation · 1981
- System and method for servo control of nonlinear electromagnetic actuators139US 6,208,497 B1Venture Scientifics, LLC · 2001
- Electromagnetic reciprocating linear actuator with permanent magnet armature133US 4,259,653 AMagnetic Laboratories, Inc. · 1981