F02M 51/0664
Having a cylindrically or partly cylindrically shaped armature
Official title: {having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding}
F02M51/0664 (Having a cylindrically or partly cylindrically shaped armature) appears on 1,408 US grants and 949 published applications in this corpus.
Search patents in F02M- Granted patents
- 1,408
- Published applications
- 949
- Assignees
- 206
- Inventors
- 1,644
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 7 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 9 | 0 |
| 1981 | 9 | 0 |
| 1982 | 14 | 0 |
| 1983 | 7 | 0 |
| 1984 | 8 | 0 |
| 1985 | 10 | 0 |
| 1986 | 6 | 0 |
| 1987 | 19 | 0 |
| 1988 | 19 | 0 |
| 1989 | 19 | 0 |
| 1990 | 26 | 0 |
| 1991 | 28 | 0 |
| 1992 | 33 | 0 |
| 1993 | 37 | 0 |
| 1994 | 34 | 0 |
| 1995 | 19 | 0 |
| 1996 | 29 | 0 |
| 1997 | 21 | 0 |
| 1998 | 33 | 0 |
| 1999 | 47 | 0 |
| 2000 | 49 | 0 |
| 2001 | 59 | 23 |
| 2002 | 68 | 89 |
| 2003 | 79 | 117 |
| 2004 | 85 | 72 |
| 2005 | 78 | 62 |
| 2006 | 50 | 41 |
| 2007 | 37 | 40 |
| 2008 | 24 | 24 |
| 2009 | 27 | 30 |
| 2010 | 24 | 33 |
| 2011 | 24 | 33 |
| 2012 | 26 | 27 |
| 2013 | 14 | 25 |
| 2014 | 26 | 33 |
| 2015 | 22 | 54 |
| 2016 | 43 | 38 |
| 2017 | 39 | 34 |
| 2018 | 32 | 41 |
| 2019 | 43 | 55 |
| 2020 | 47 | 25 |
| 2021 | 30 | 22 |
| 2022 | 14 | 7 |
| 2023 | 15 | 6 |
| 2024 | 3 | 5 |
| 2025 | 5 | 7 |
| 2026 | 0 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Prestroke adjustment method for fuel injection valve30 Sep 2025US 12,429,018 B2Hitachi Astemo, Ltd.
- Method for producing a combined filtration and calibration assembly23 Sep 2025US 12,421,926 B2Phinia Jersey Holdings LLC
- Fuel injector8 Jul 2025US 12,352,228 B2Billet Machine and Fabrication, Inc.
- Injector component having a coating, injector, as well as a device for coating15 Apr 2025US 12,276,243 B2Robert Bosch GmbH
- Fuel injection valve14 Jan 2025US 12,196,163 B2Denso Corporation
- Fuel injector24 Sep 2026US 2026/0286922 A1Phinia Delphi Luxembourg Sarl
- Method for armature lift feedback setting of injector23 Jul 2026US 2026/0210321 A1Hyundai Kefico Corporation
- Magnetic position determination of a coolant valve needle25 Jun 2026US 2026/0177161 A1Volkswagen Aktiengesellschaft
- Injection valve for fuels, cylinder head with injection valve, method for installing an injection valve into a cylinder head, and use of a cylindrical receptacle of a cylinder head as the outer shell of an injection valve18 Jun 2026US 2026/0168458 A1
- Armature for use with valve actuation and method of fabricating the same28 May 2026US 2026/0146679 A1Cummins Inc.
Most cited
By later US patents
- Flow meter567US 6,874,480 B1Combustion Dynamics Corp. · 2005
- Fuel control system with calibration learning capability for motor vehicle internal combustion engine137US 4,130,095 AGeneral Motors Corporation · 1978
- Fuel injector116US 5,915,626 ARobert Bosch GmbH · 1999
- Fuel injector with an integrated spark plug for a direct injection type engine104US 5,497,744 AToyota Jidosha Kabushiki Kaisha · 1996
- Housing for coil of solenoid-operated fuel injector95US 5,544,816 ASiemens Automotive Corporation · 1996