F02M 51/061
Using electromagnetic operating means
Official title: {using electromagnetic operating means}
F02M51/061 (Using electromagnetic operating means) appears on 2,074 US grants and 1,475 published applications in this corpus.
Search patents in F02M- Granted patents
- 2,074
- Published applications
- 1,475
- Assignees
- 341
- Inventors
- 2,514
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 9 | 0 |
| 1978 | 6 | 0 |
| 1979 | 8 | 0 |
| 1980 | 15 | 0 |
| 1981 | 12 | 0 |
| 1982 | 21 | 0 |
| 1983 | 20 | 0 |
| 1984 | 20 | 0 |
| 1985 | 20 | 0 |
| 1986 | 13 | 0 |
| 1987 | 35 | 0 |
| 1988 | 28 | 0 |
| 1989 | 39 | 0 |
| 1990 | 43 | 0 |
| 1991 | 49 | 0 |
| 1992 | 44 | 0 |
| 1993 | 53 | 0 |
| 1994 | 46 | 0 |
| 1995 | 25 | 0 |
| 1996 | 34 | 0 |
| 1997 | 26 | 0 |
| 1998 | 46 | 0 |
| 1999 | 58 | 0 |
| 2000 | 59 | 0 |
| 2001 | 63 | 26 |
| 2002 | 81 | 98 |
| 2003 | 90 | 131 |
| 2004 | 95 | 85 |
| 2005 | 87 | 72 |
| 2006 | 56 | 51 |
| 2007 | 44 | 61 |
| 2008 | 37 | 35 |
| 2009 | 35 | 53 |
| 2010 | 36 | 50 |
| 2011 | 35 | 48 |
| 2012 | 35 | 43 |
| 2013 | 24 | 42 |
| 2014 | 39 | 60 |
| 2015 | 39 | 109 |
| 2016 | 75 | 73 |
| 2017 | 84 | 68 |
| 2018 | 62 | 77 |
| 2019 | 75 | 91 |
| 2020 | 72 | 59 |
| 2021 | 62 | 51 |
| 2022 | 54 | 19 |
| 2023 | 26 | 18 |
| 2024 | 13 | 17 |
| 2025 | 12 | 25 |
| 2026 | 10 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fuel injection valve6 Oct 2026US 12,753,733 B2Robert Bosch GmbH
- Electromagnetic fuel injector1 Sep 2026US 12,723,563 B2Marelli Europe S.P.A.
- Fuel injector28 Jul 2026US 12,692,827 B2Phinia Delphi Luxembourg Sarl
- Fuel supply device for internal combustion engine7 Jul 2026US 12,674,429 B2Toyota Jidosha Kabushiki Kaisha
- Support structure for fuel injection valve30 Jun 2026US 12,669,103 B2Hitachi Astemo, Ltd.
- Fuel injector with configurable control valve outlet1 Oct 2026US 2026/0298186 A1Stanadyne Operating Company LLC
- Fuel injector24 Sep 2026US 2026/0286922 A1Phinia Delphi Luxembourg Sarl
- System and related method for fuel injection systems13 Aug 2026US 2026/0235096 A1Caterpillar Inc.
- Electromagnetic actuator and fuel injection device23 Jul 2026US 2026/0210319 A1Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Method for armature lift feedback setting of injector23 Jul 2026US 2026/0210321 A1Hyundai Kefico Corporation
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