F02M 47/00
Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
Official title: Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure (fuel- injectors actuated by the pressure in engine working cylinders F02M49/00)
F02M47/00 (Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure) appears on 1,441 US grants and 1,184 published applications in this corpus.
Search patents in F02M- Granted patents
- 1,441
- Published applications
- 1,184
- Assignees
- 235
- Inventors
- 1,664
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 9 | 0 |
| 1978 | 10 | 0 |
| 1979 | 7 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 10 | 0 |
| 1985 | 6 | 0 |
| 1986 | 9 | 0 |
| 1987 | 11 | 0 |
| 1988 | 11 | 0 |
| 1989 | 12 | 0 |
| 1990 | 14 | 0 |
| 1991 | 14 | 0 |
| 1992 | 11 | 0 |
| 1993 | 11 | 0 |
| 1994 | 6 | 0 |
| 1995 | 18 | 0 |
| 1996 | 12 | 0 |
| 1997 | 28 | 0 |
| 1998 | 40 | 0 |
| 1999 | 39 | 0 |
| 2000 | 59 | 0 |
| 2001 | 56 | 23 |
| 2002 | 68 | 77 |
| 2003 | 81 | 111 |
| 2004 | 100 | 110 |
| 2005 | 77 | 60 |
| 2006 | 62 | 87 |
| 2007 | 61 | 68 |
| 2008 | 43 | 59 |
| 2009 | 41 | 70 |
| 2010 | 28 | 75 |
| 2011 | 46 | 35 |
| 2012 | 25 | 43 |
| 2013 | 43 | 53 |
| 2014 | 32 | 34 |
| 2015 | 43 | 34 |
| 2016 | 34 | 44 |
| 2017 | 34 | 25 |
| 2018 | 31 | 24 |
| 2019 | 35 | 26 |
| 2020 | 25 | 39 |
| 2021 | 35 | 21 |
| 2022 | 31 | 16 |
| 2023 | 20 | 14 |
| 2024 | 12 | 12 |
| 2025 | 18 | 16 |
| 2026 | 2 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F02M 47/02Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure: of1,317
- F02M 47/04Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure: using104
- F02M 47/06Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure: other35
Recent patents
- Injector for injecting fuel30 Jun 2026US 12,669,100 B2Liebherr-Components Deggendorf GmbH
- Trusted and decentralized aggregation for federated learning3 Feb 2026US 12,541,708 B2International Business Machines Corporation
- Fuel injector internal combustion engine and vehicle16 Dec 2025US 12,497,938 B2Scania CV AB
- Dual fuel system having dual fuel injector and engine operating method9 Dec 2025US 12,492,670 B2Caterpillar Inc.
- Dual fuel system and method feeding same fuel at two pressures to fuel injector2 Dec 2025US 12,486,810 B1Caterpillar Inc.
- Dual-fuel injector17 Sep 2026US 2026/0275946 A1Phinia Delphi Luxembourg Sarl
- Electromagnetic actuator and fuel injection device23 Jul 2026US 2026/0210319 A1Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Dual fuel injector for injection control and fuel metering, and method for operating same7 May 2026US 2026/0126025 A1Caterpillar Inc.
- Fuel injector nozzle, fuel injector, internal combustion engine, and vehicle23 Apr 2026US 2026/0110284 A1Scania CV AB
- Dual fuel injector and method26 Mar 2026US 2026/0085650 A1Caterpillar Inc.
Most cited
By later US patents
- Engine having a high pressure hydraulic system and low pressure lubricating system131US 6,067,962 ACaterpillar Inc. · 2000
- High speed fuel injector106US 5,460,329 A1995
- Pressure storage fuel injection system102US 5,622,152 AMitsubishi Jidosha Kogyo Kabushiki Kaisha · 1997
- Piezoelectric controlled common rail injector with hydraulic amplification of piezoelectric stroke99US 5,779,149 ASiemens Automotive Corporation · 1998
- Fuel injector for an internal combustion engine88US 4,603,671 ANippon Soken, Inc. · 1986