F02B 2275/40
Squish effect
F02B2275/40 (Squish effect) appears on 173 US grants and 31 published applications in this corpus.
Search patents in F02B- Granted patents
- 173
- Published applications
- 31
- Assignees
- 71
- Inventors
- 301
- Latest grant
- 18 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 5 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 6 | 0 |
| 1985 | 11 | 0 |
| 1986 | 5 | 0 |
| 1987 | 9 | 0 |
| 1988 | 8 | 0 |
| 1989 | 8 | 0 |
| 1990 | 9 | 0 |
| 1991 | 4 | 0 |
| 1992 | 15 | 0 |
| 1993 | 8 | 0 |
| 1994 | 10 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 6 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 0 |
| 2005 | 2 | 3 |
| 2006 | 0 | 1 |
| 2007 | 2 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 3 |
| 2010 | 2 | 4 |
| 2011 | 2 | 0 |
| 2012 | 1 | 1 |
| 2013 | 2 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 2 |
| 2018 | 2 | 3 |
| 2019 | 1 | 2 |
| 2020 | 2 | 0 |
| 2021 | 4 | 3 |
| 2022 | 2 | 0 |
| 2023 | 2 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Internal combustion engine for gaseous fuel18 Mar 2025US 12,253,046 B2Volvo Truck Corporation
- Internal combustion engine for gaseous fuel12 Dec 2023US 11,840,984 B2Volvo Truck Corporation
- Systems and methods of compression ignition engines21 Mar 2023US 11,608,773 B2Nautilus Engineering, LLC
- Low compression natural gas engine piston bowl for improved combustion stability6 Dec 2022US 11,519,359 B1Caterpillar Inc.
- Apparatus for optimizing fuel/air mixing process of internal combustion engine31 May 2022US 11,346,275 B2
- Internal combustion engine for gaseous fuel29 Feb 2024US 2024/0068426 A1Volvo Truck Corporation
- Internal combustion engine for gaseous fuel22 Jun 2023US 2023/0193848 A1Volvo Truck Corporation
- Apparatus for optimizing fuel/air mixing process of internal combustion engine7 Oct 2021US 2021/0310403 A1Tianjin University
- Systems and methods of compression ignition engines8 Jul 2021US 2021/0207524 A1Nautilus Engineering, LLC
- Simultaneous combined-cycle multi-stage combustion engine17 Jun 2021US 2021/0180507 A1
Most cited
By later US patents
- Hydraulically-actuated electronically-controlled unit injector fuel system having variable control of actuating fluid pressure125US 5,191,867 ACaterpillar Inc. · 1993
- Plasma jet ignition engine and method122US 4,203,393 AFord Motor Company · 1980
- Ignition system employing plasma spray90US 4,364,342 AFord Motor Company · 1982
- Direct fuel injection type spark ignition internal combustion engine having a squish flow for assisting fuel evaporation75US 4,920,937 AToyota Jidosha Kabushiki Kaisha · 1990
- Direct fuel injection stratified charge engine63US 5,605,125 A1997