F02M 63/0225
Fuel-injection apparatus having a common rail feeding several injectors
Official title: {Fuel-injection apparatus having a common rail feeding several injectors (F02M63/0003 takes precedence); Means for varying pressure in common rails; Pumps feeding common rails}
F02M63/0225 (Fuel-injection apparatus having a common rail feeding several injectors) appears on 1,569 US grants and 1,446 published applications in this corpus.
Search patents in F02M- Granted patents
- 1,569
- Published applications
- 1,446
- Assignees
- 329
- Inventors
- 2,698
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 8 | 0 |
| 1995 | 9 | 0 |
| 1996 | 16 | 0 |
| 1997 | 16 | 0 |
| 1998 | 33 | 0 |
| 1999 | 30 | 0 |
| 2000 | 55 | 0 |
| 2001 | 62 | 15 |
| 2002 | 67 | 71 |
| 2003 | 83 | 87 |
| 2004 | 92 | 96 |
| 2005 | 72 | 90 |
| 2006 | 75 | 117 |
| 2007 | 90 | 90 |
| 2008 | 83 | 77 |
| 2009 | 57 | 89 |
| 2010 | 69 | 78 |
| 2011 | 49 | 58 |
| 2012 | 43 | 61 |
| 2013 | 43 | 52 |
| 2014 | 42 | 60 |
| 2015 | 43 | 67 |
| 2016 | 61 | 76 |
| 2017 | 63 | 54 |
| 2018 | 65 | 52 |
| 2019 | 53 | 44 |
| 2020 | 49 | 42 |
| 2021 | 51 | 30 |
| 2022 | 26 | 12 |
| 2023 | 11 | 9 |
| 2024 | 5 | 7 |
| 2025 | 11 | 2 |
| 2026 | 3 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fuel pressure accumulating device11 Aug 2026US 12,704,104 B2Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Fuel system having dual fuel quill connector and quill connector installation method26 May 2026US 12,637,994 B2Caterpillar Inc.
- Engine device5 May 2026US 12,618,388 B2Yanmar Power Technology Co., Ltd.
- Identifying and counting common rail fuel system pressure relief valve opening events9 Dec 2025US 12,492,672 B1Caterpillar Inc.
- Dual fuel system and method feeding same fuel at two pressures to fuel injector2 Dec 2025US 12,486,810 B1Caterpillar Inc.
- Fuel pressure measurement and related processes, systems, and controls25 Jun 2026US 2026/0177015 A1Cummins-Scania HPCR System, LLC
- Pressure regulator valve for engine fuel system25 Jun 2026US 2026/0177024 A1Cummins Inc.
- Fuel system with direct and high pressure port fuel injection with thermal management28 May 2026US 2026/0146578 A1Stanadyne Operating Company LLC
- Dual fuel injector for injection control and fuel metering, and method for operating same7 May 2026US 2026/0126025 A1Caterpillar Inc.
- Control Device for Internal Combustion Engine16 Apr 2026US 2026/0104017 A1Hitachi Astemo, Ltd.
Most cited
By later US patents
- Dual fuel supply system for a direct-injection system of a diesel engine with on-board mixing169US 8,973,560 B2Dgc Industries Pty Ltd · 2015
- Optimized lambda and compression temperature control for compression ignition engines133US 6,273,076 B1Servojet Products International · 2001
- Engine having a high pressure hydraulic system and low pressure lubricating system131US 6,067,962 ACaterpillar Inc. · 2000
- Hydraulically-actuated electronically-controlled unit injector fuel system having variable control of actuating fluid pressure125US 5,191,867 ACaterpillar Inc. · 1993
- Fuel injector nozzle adapter118US 6,913,210 B2Holley Performance Products, Inc. · 2005